Tennis male players statistics
Since 1983, men's tennis has had a very strong tradition and clear hierarchy of tournaments: (1) Grand Slam tournaments, including Wimbledon, the US Open, the French Open, and the Australian Open; (2) the Tennis Masters Cup; and (3) the Davis Cup. Before 1983, however, and in particular before the start of the open era in 1968, the hierarchy of professional tournaments changed virtually every year. For example, in 1934, the U.S. Pro was a high-class tournament with all the best players, but just two years later, this tournament was ordinary because only professional teachers (no leading touring pros) entered the event.
Professional tennis before the start of the open era
Before the start of the open era and in addition to numerous small tournaments and head-to-head tours between the leading professionals, there were a few major professional tournaments that stood out during different periods:
- Some survived sporadically because of financial collapses and others temporarily stood out when other important tournaments were not held:
- Bristol Cup (held at Cannes or at Beaulieu) in the 1920s
- Queen's Club Pro (in 1928)
- International Pro Championship of Britain in Southport in the 1930s
- World Pro Championships in Berlin in the 1930s
- U.S Pro Hardcourt in Los Angeles, California in 1945 (the only significant professional tournament that year)
- Philadelphia Pro 1950-1952
- Pro Tournament of Champions, held in Los Angeles in 1956 and at Forest Hills thereafter (when it was not merged with the U.S. Pro)
- Masters Pro Round Robin in Los Angeles in 1957 and 1958
- Australian Pro in 1954, 1957, and 1958
- Madison Square Garden Pro in 1966 and 1967
- Wimbledon Pro in 1967
- There were a few team events modeled on the Davis Cup, such as the Bonnardel Cup in the 1930s and the Kramer Cup from 1961 through 1963.
- Three traditional "championship tournaments" survived into the open era, often having all the leading players but sometimes having very depleted fields. The most prestigious of the three was generally the London Indoor Professional Championship. Played between 1934 and 1990 at Wembley Arena in England, it was unofficially usually considered the world championship until 1967. The oldest of the three was the United States Professional Championship, played between 1927 and 1999. From 1954 through 1962, this tournament was played indoors in Cleveland and was called the "World Professional Championships." The third major tournament was the French Professional Championship, played usually at Roland Garros from 1934 (perhaps before but the data are unclear) through 1968. The British and American championships continued into the open era but soon devolved to the status of minor tournaments.
Because of the instability of the professional tour, the greatest tournaments in a given year could be the three "championship tournaments" (such as in 1964) or other tournaments (such as in 1959 when the greatest tournaments probably were the Forest Hills Pro, the Masters Pro in Los Angeles, and almost all the Australian pro tournaments).
However these three tournaments were considered by some tennis experts as the three tournaments of the professional Grand Slam (until 1967). Some years as in 1948, only one of them was held, the U.S Pro in this case, and even in 1944 none was organized : this explains why professionals players have less impressive records than those of the modern players but it doesn't mean that the banished players of the pre-open era were less great than their open era colleagues.
As with any statistics, those of tennis players should be put into the correct context because:
a) they are mixing performances of the amateur circuit (until 1967), the professional circuit (until 1967), and the open circuit (since 1968)
b) they don't always take into account the greatest events of a given year (such as the 1959 example above).
For instance, Ken Rosewall's amateur successes between 1953 and 1956 were achieved without having to compete against world-class professionals like Frank Sedgman and Pancho Gonzales. Likewise, when Rod Laver captured the amateur Grand Slam in 1962, he did not have to face opponents such as Rosewall, Lew Hoad, Pancho Segura and Andrés Gimeno, all professionals, and therefore his 1962 Grand Slam is not seen as impressive as his 1969 Grand Slam which he won in the open era. In 1967 Laver was omnipotent on fast courts, winning all the greatest pro tournaments that year, Wimbledon Pro (grass), the U.S. Pro (grass), Wembley Pro (indoor wood, fastest surface ever used in tennis) and the French Pro (indoor wood). In the official statistics as published by the ITF or ATP these tournaments are seldom listed because only the amateur tournaments were taken into account. Yet Laver's supremacy in 1967 was undisputed: in his statistics (19 major tournaments) three of the four previous tournaments are listed. The one tournament not chosen is 1967 Wimbledon Pro because it was a one-off event and not a "Grand Slam pro" tournament but it was probably the greatest pro event of the 60s and in particular of 1967. It indicates that the Grand Slam label in the pre-open era is not always attributed to the greatest tournaments of a given year.
In reality to fairly compare pre-open era players' records with open era players, it would be necessary to select from the tennis beginnings the four greatest events of each year, knowing it would change every year (some years it is difficult to choose the four greatest tennis events). Thus, for instance, Ken Rosewall's record of 23 victories, indicated above, would be reduced to about 21 tournaments "equivalent to the modern Grand Slam tournaments": Wembley Pro 1957, 1960, 1961, 1962, 1963 - New York City-Madison Square Garden Pro 1966 - French Pro 1958, 1960, 1961, 1962, 1963, 1964, 1965, 1966 - French Open 1968 - U.S. Pro 1963, 1965 - US Open 1970 - Australian Open 1971 - WCT Finals 1971, 1972. In that list, on one hand have disappeared all Rosewall's great amateur successes (Australia 1953, 1955 - Roland Garros 1953 - U.S. 1956) and also the 1972 Australian Open without eighteen of the twenty best players, but on the other hand have appeared some pro tournaments which weren't one of the three classic ones (see Ken Rosewall's article).
Most major singles titles
The three professional tournaments (Wembley Pro, French Pro, U.S. Pro) until 1967 are sometimes referred as the professional Grand Slam tournaments by tennis historians, such as Robert Geist or Raymond Lee (in his Greatest Player of All time: A Statistical Analysis article).[1]
This table includes those major professional titles before the Open Era. The top 13 are:
Player | Total | Grand Slam Tournaments a | Pro Slam Tournaments | |||||
---|---|---|---|---|---|---|---|---|
Australian | French | Wimbledon | U.S. | French Pro | Wembley Pro | U.S. Pro | ||
Ken Rosewall b | 23 | 1953, 1955, 1971, 1972 | 1953, 1968 | 1956, 1970 | 1958, 1960, 1961, 1962, 1963, 1964, 1965, 1966 | 1957, 1960, 1961, 1962, 1963 | 1963, 1965 | |
Rod Laver c | 19 | 1960, 1962, 1969 | 1962, 1969 | 1961, 1962, 1968, 1969 | 1962, 1969 | 1967 | 1964, 1965, 1966, 1967 | 1964, 1966, 1967 |
Roger Federer | 17 | 2004, 2006, 2007, 2010 | 2009 | 2003, 2004, 2005, 2006, 2007, 2009, 2012 | 2004, 2005, 2006, 2007, 2008 | |||
Bill Tilden d | 14 | 1920, 1921, 1930 | 1920, 1921, 1922, 1923, 1924, 1925, 1929 | 1934 | 1931, 1935 | |||
Pete Sampras | 14 | 1994, 1997 | 1993, 1994, 1995, 1997, 1998, 1999, 2000 | 1990, 1993, 1995, 1996, 2002 | ||||
Pancho Gonzales | 14 | 1948, 1949 | 1950, 1951, 1952, 1956 | 1953, 1954, 1955, 1956, 1957, 1958, 1959, 1961 | ||||
Rafael Nadal | 14 | 2009 | 2005, 2006, 2007, 2008, 2010, 2011, 2012, 2013, 2014 | 2008, 2010 | 2010, 2013 | |||
Roy Emerson | 12 | 1961, 1963, 1964, 1965, 1966, 1967 | 1963, 1967 | 1964, 1965 | 1961, 1964 | |||
Björn Borg | 11 | 1974, 1975, 1978, 1979, 1980, 1981 | 1976, 1977, 1978, 1979, 1980 | |||||
Novak Djokovic | 11 | 2008, 2011, 2012, 2013, 2015, 2016 | 2011, 2014, 2015 | 2011, 2015 | ||||
Don Budge | 10 | 1938 | 1938 | 1937, 1938 | 1937, 1938 | 1939 | 1939 | 1940, 1942 |
Fred Perry | 10 | 1934 | 1935 | 1934, 1935, 1936 | 1933, 1934, 1936 | 1938, 1941 | ||
Henri Cochet e | 9 | 1926, 1928, 1930, 1932 | 1927, 1929 | 1928 | 1936 |
Notes:
a Grand Slam tournaments of the Open Era are marked in bold font.
b Rosewall's wins at the Wembley Pro in 1968 and the U.S. Pro in 1971 are not included in the list of his "major" titles because those tournaments were not major events after the start of the open era in April 1968.
c Laver's wins at the Wembley Pro in 1969 and 1970, the U.S. Pro in 1968 and 1969, and the French Pro in 1968 are not included in the list of his "major" titles because those tournaments were not major events after the start of the open era.
d Including World Hard Court Championships in 1921 (official clay court world championships).
e Including World Hard Court Championships in 1922.
Statistics
The draws of Pro majors were significantly smaller than the traditional Grand Slam tournaments; usually they only had 16 or even less professional players. Though they were the top players in the world, this meant only four rounds of play instead of the modern six or seven rounds of play.
As of 01 February 2016
Active players in boldface
Player | Total | Era | Surface | Time Span | Win/Loss | Win % | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Amateur | Pro | Open | Grass | Clay | Hard | Indoor | Age | Span | Years | ||||
Ken Rosewall | 23 | 4 | 15 | 4 | 8 | 6 | N/A | 9 | 18–37 | 20 | 1953–1972 | 246-46 | 84.24 |
Rod Laver | 19 | 6 | 8 | 5 | 12 | 2 | N/A | 5 | 21–31 | 10 | 1960–1969 | 180-36 | 83.33 |
Roger Federer | 17 | N/A | N/A | 17 | 7 | 1 | 9 | N/A | 21–30 | 10 | 2003–2012 | 285-47 | 85.84 |
Pete Sampras | 14 | N/A | N/A | 14 | 7 | 0 | 7 | N/A | 19–31 | 13 | 1990–2002 | 203-38 | 84.23 |
Bill Tilden | 14 | 10 | 4 | N/A | 11 | 3 | 0 | 0 | 27–42 | 16 | 1920–1935 | 156-30 | 83.87 |
Pancho Gonzales | 14 | 2 | 12 | 0 | 2 | 0 | N/A | 12 | 20–33 | 14 | 1948–1961 | 103-29 | 78.03 |
Rafael Nadal | 14 | N/A | N/A | 14 | 2 | 9 | 3 | N/A | 19–27 | 10 | 2005–2014 | 195-27 | 87.84 |
Roy Emerson | 12 | 12 | N/A | 0 | 10 | 2 | N/A | N/A | 24–30 | 7 | 1961–1967 | 174-39 | 81.69 |
Björn Borg | 11 | N/A | N/A | 11 | 5 | 6 | 0 | N/A | 18–25 | 8 | 1974–1981 | 141-16 | 89.81 |
Novak Djokovic | 11 | N/A | N/A | 11 | 3 | 0 | 8 | N/A | 20–29 | 9 | 2008–2016 | 214–34 | 86.29 |
Don Budge | 10 | 6 | 4 | N/A | 6 | 3 | 0 | 1 | 22–27 | 5 | 1937–1942 | 95-18 | 84.07 |
Fred Perry | 10 | 8 | 2 | N/A | 7 | 2 | 0 | 1 | 24–32 | 8 | 1933–1941 | 120-22 | 84.51 |
Henri Cochet | 9 | 8 | 1 | N/A | 7 | 2 | 0 | 1 | 20–34 | 15 | 1922–1936 | 113-20 | 84.96 |
Most singles titles
As of 03 April 2016
Active players in boldface
Player | Titles | |
---|---|---|
1. | Rod Laver | 200 |
2. | Jimmy Connors | 149 |
3. | / Ivan Lendl | 146 |
4. | Jaroslav Drobný | 139 |
5. | Ken Rosewall | 133 |
6. | Bill Tilden | 130 |
7. | Tony Wilding | 118 |
8. | Pancho Gonzales | 113 |
9. | Roy Emerson | 110 |
10. | John McEnroe | 104 |
11. | Björn Borg | 101 |
12. | Bobby Riggs | 95 |
13. | Roger Federer | 88 |
14. | Ilie Năstase | 87 |
15. | Gardnar Mulloy | 80 |
16. | Budge Patty | 78 |
17. | Manuel Santana | 74 |
18. | Arthur Ashe | 73 |
19. | Martin Mulligan | 72 |
20. | John Newcombe | 70 |
21. | Guillermo Vilas | 68 |
= | Rafael Nadal | 68 |
23. | Pete Sampras | 64 |
24. | Novak Djokovic | 63 |
25. | Andre Agassi | 60 |
= | Stan Smith | 60 |
27. | Tony Trabert | 57 |
28. | Vic Seixas | 56 |
29. | Nicola Pietrangeli | 54 |
30. | Tom Okker | 51 |
Sources: ATP; Michel Sutter, Vainqueurs Winners 1946-2003, Paris 2003; Joe McCauley, The History of Professional Tennis, London 2001; Robert Geist, Der Grösste Meister Die denkwürdige Karriere des australischen Tennisspielers Kenneth Robert Rosewall, Vienna 1999 ; Tony Trabert in "Tennis de France" magazine; ATP ; John Barrett editor,World of Tennis Yearbooks, London 1969 to 1983
Before 1972 tennis results were not automatically registered as they are now with the ITF (International Tennis Federation) and the ATP. Many have been lost or never even recorded. In particular, many professional results before 1968 have disappeared or are contradictory (for instance Ray Bowers, who gives a very detailed account of the 1926-1945 pro era called "History of the Pro Tennis Wars" in the "Tennis Server" Web site, categorically affirms that there was no 1936 Wembley Pro tournament (and no 1938 edition too) while McCauley lists a final result). However the most important ones have been preserved. ATP data is far from being exhaustive. They only begin in 1968 and they omit many results until 1971-1972 and even after. For example, there are no results of the New South Wales Championships in 1973 (Mal Anderson) or in 1974 (Tony Roche).
Therefore, the global amounts listed here are at least equal if not superior to those of the ATP (even the modern players as Connors, Lendl, McEnroe, Nastase, Ashe or Borg have more titles here (for instance Borg won his first tournament at Helsinki in 1973 and it doesn't appear in the ATP statistics)). Other remark : Michel Sutter chose about 150-200 tournaments each year including some invitation tournaments or tournaments which were at the time (before the nineties) the equivalent of the challenger series tournaments of today. When those tournaments appeared in the early nineties Sutter listed them in his book. Sutter, being the main source of that part of the article, such tournaments are counted in this list (this explains for instance why Federer has four more wins than his ATP wins number).
Male tennis players with most major pro tours won before the open era
In the years before the open era, male professionals often played more frequently in tours than in tournaments because a head-to-head tour between two tennis stars was much more remunerative than a circuit of pro tournaments and the number of professional tournaments was small. For example, Fred Perry earned U.S. $91,000 in a 1937 North American tour against Ellsworth Vines but won only U.S. $450 for his 1938 victory at the U.S. Pro Tennis Championships. Vines probably never entered a tournament between the London Indoor Professional Championship in October 1935, which he won, and the May 1939 edition of that tournament, which he lost. In 1937, Vines played 70 matches on two tours and no matches in tournaments. Even in the 1950s, some professionals continued to play numerous tour matches. During his first five months as a professional (January through May 1957), Ken Rosewall played 76 matches on a tour against Pancho Gonzales but only 9 matches in tournaments. As an example of the small number of professional tournaments held before the open era, Joe McCauley has determined that for 1952, only 7 professional tournaments were played by the top international players, and 2 other professional tournaments (the British Pro and the German Pro) were reserved for domestic players. It was only during the 1960s that professional tournaments became more significant than tours.
The prevalence of head-to-head tours and the small number of professional tournaments makes it necessary to consider the tours when comparing male players from before the open era with male players during the open era. The following lists the pre-open era professionals who won the most tours based on the information currently available.
Pancho Gonzales: 7 major pro tours
- January 3, 1954 - May 30, 1954: This tour was in the United States and Canada and was a series of 4-man tournaments (all formats : eliminatory rounds with or without 3rd place match; round-robin events) except in Charlottesville VA, January 13, where a 3-man round-robin event without Donald Budge was held.
From January 3 to March 25 the players involved were Pancho Gonzales, Pancho Segura, Frank Sedgman, and Donald Budge. In April Carl Earn replaced Budge. In May Earn was in his turn replaced by Bobby Riggs. There were 70 tournaments played in that tour. Gonzales won the tour ahead of Segura and Sedgman if we consider head-to-head win-loss records and prize money won. On June 2 a report stated that Gonzales won 29 tournaments and had an 85-40 win-loss while Sedgman won 21 tournaments and Segura won 20 tournaments. In head-to-head meetings the results aren't 100% sure : Gonzales win-loss record against Segura was about 30-21 (or 30-20) and was possibly exactly equal against Sedgman, 30-21 (or 30-20) too; and Segura would have led Sedgman by the slightest margin, 23-22. Budge won only one match in that tour (against Gonzales in the first round of the Olympic Auditorium in Los Angeles on February 19); Earn apparently won none; and Riggs won one against Gonzales on May 20 in Victoria (Canada, British Columbia).
- December 9, 1955 - June 3, 1956: This was a head-to-head tour in the United States against Tony Trabert. Gonzales prevailed 74-27.
- January 1957 - May 1957: This was a world tour against Ken Rosewall. Gonzales prevailed 50-26.
- January 1958 - May 1958: This was a world tour against Lew Hoad. Gonzales prevailed 51-36.
- February 20, 1959 - May 31, 1959: This was a world tour including Hoad, Ashley Cooper, and Mal Anderson. Gonzales finished with a 47-15 record. Hoad was 42-20, Cooper was 21-40, and Anderson was 13-48. Gonzales lost his series to Hoad, 13-15.
- January 1960 - June 1960 : This was a world tour including Rosewall, Segura, and Alex Olmedo. Gonzales finished with a 49-8 record. Rosewall was 32-25, Segura was 22-28, and Olmedo was 11-44.
- December 30, 1960 - May 28, 1961: This was a world tour including Gonzales (with Segura occasionally substituting for him), Andrés Gimeno, Hoad (with Trabert, Cooper, and Sedgman occasionally substituting for Hoad), Barry MacKay, Olmedo, and Butch Buchholz. In the first phase, Gonzales finished with a 33-14 record (including the Segura matches). Gimeno was 27-20, Hoad was 24-23 (including the Trabert, Cooper, and Sedgman matches), MacKay was 22-25, Olmedo was 18-29, and Buchholz was 16-31. In the second and final phase, Gonzales def. Gimeno 21-7.
Ellsworth Vines: 5 major pro tours
- January 10, 1934 - May 13, 1934: This was a North American tour against Bill Tilden. The results are not known definitively. However, American Lawn Tennis reported that Vines had an edge of 11-9 in the first phase of their tour from January 10 through February 16 and that Vines led Tilden by a 19-match margin after the second phase of their tour, played from March 21 through May 13. Tilden had won 17 times for the entire year, per an Associated Press report,[2] so a probable win-loss record at tour's end on May 13 was 36-17 in Vines' favor (slightly over 50 matches would have been played, per Ray Bowers). (Vines also dominated Henri Cochet 10-0 and Martin Plaa 8-2 in a small United States versus France team tour in the U.S., with Tilden being Vines' teammate.)
- January 9, 1935 - April 29, 1935: This was a North American tour including Les Stoefen at first, then Hans Nüsslein, with occasional matches against Tilden and George Lott. Vines led Stoefen 25-1 until the latter fell ill. Thereafter, Vines beat Nüsslein slightly less than three-quarters of the time.[3] He occasionally played Tilden instead of Nusslein, as the Vines-Tilden match-up seemed to be a better draw; his final tally against Tilden on this tour was 9-3.[4] Through March 15 his tally against Lott was 2-0.[5]
- January 11, 1936 - June 7, 1936: This was a U.S. tour against Stoefen, won by Vines 75-15.[6] (In October and November 1936, Vines and Tilden faced each other in an Asian tour. The final standings are also unknown, but at the end of the Japanese part of the tour, Vines led Tilden 8-1.)
- January 6, 1937 - May 12, 1937: This was a North American tour against Fred Perry. Vines prevailed 32-29. (In a small British Iles tour from May 25 through June 15, Perry defeated Vines 6-3.)
- January 11, 1938 - May 30, 1938: This was a U.S. tour against Perry. Vines prevailed 49-35 (or 48-35). (In a small Caribbean tour November 15–29, the two players each won four matches.)
Jack Kramer: 4 major pro tours
- December 26, 1947 - May 27, 1948: In this North American tour against Bobby Riggs, Kramer prevailed 69-20.
- October 25, 1949 - May 21, 1950: In this North American tour against Pancho Gonzales, Kramer prevailed 96-27 (or 97-26).
- October 28, 1950 - March, 1951: In this North American tour against Pancho Segura, Kramer prevailed 64-28.
- January 6, 1953 - June 1, 1953: In this North American tour against Frank Sedgman, Kramer prevailed 54-41.
Bill Tilden: 3 major pro tours
- February 18, 1931 - August 16, 1931: In this North American tour against Karel Koželuh, Tilden prevailed 50-17 (Tilden, who kept close records, summarized the outcome of this tour as follows. Overall: Tilden 50, Kozeluh 17. Indoors: Tilden 26, Kozeluh 1. Grass: Tilden 2, Kozeluh 0. Outdoor hard courts: Kozeluh 5, Tilden 3. Clay: Tilden 19, Kozeluh 11.) Later in the autumn of 1931, the two players toured in Europe with Hans Nüsslein, Martin Plaa, Albert Burke, and Frank Hunter.
- January 4, 1932 - July ?, 1932: This North American tour began with ten pros (including Tilden, Nüsslein, Burke, Vincent Richards, Hunter, Roman Najuch, Allen Behr, and Emmett Pare). But by the end of January, each stop featured a Tilden-Nüsslein match, preceded by a singles match between two other pros and followed by doubles. Beginning with Koželuh's joining of the tour in May and extending through the remainder of the tour, Tilden and Nüsslein competed with the other players. Complete tour results are far from being known, but Tilden is the certain winner. As of early April 1932, Tilden led Nüsslein 32 matches to 12.
- January 24, 1933 - May ?, 1933: This was another North American tour between Tilden and Nüsslein. Although the results are incomplete, Tilden was the winner. As of early May 1933, data from more than half their matches indicated that Tilden won two-thirds of the matches. (During the summer of 1933, a European tour featured several team events organized on national lines with Tilden, Bruce Barnes, Nüsslein, and other German and French players.)
Don Budge: 3 major pro tours
- January 3, 1939 - March 6, 1939: In this North American tour against Ellsworth Vines, Budge prevailed 22-17.[7][8] (From March 10 through May 8, Budge dominated Perry 28-8,[9][10] in another North American tour that was less important than the previous Budge-Vines tour because Perry was second to Vines in the professional ranks. Budge also won a European tour over Vines, Bill Tilden, and Les Stoefen.)
- January 6, 1941 - May 10, 1941: This was a North American tour against Tilden. Although complete tour results are not known with certainty, 49 of the matches are fully documented. In those matches, Budge prevailed 43-5 with 1 tie. The final outcome of the tour was probably 46-7 plus 1 tie.
- December 26, 1941 - before April 5, 1942: This was a North American tour against Bobby Riggs, Frank Kovacs, Fred Perry, and Stoefen. Budge finished with a 52-18 record. Riggs was 36-36, Kovacs was 25-26, Perry was 23-30, and Stoefen, who played only when the others were injured or ill, was 2-28.
See also
References
- ↑
- ↑ Stahr, John (June 3, 1934). "Big Bill Tilden, Prodigy Picker, Clips Coupons On Vines Venture". The Index-Journal (Greenwood, SC).
- ↑ "End of Pro Play Indoors". American Lawn Tennis. May 20, 1935.
- ↑ Kieran, John (April 29, 1935). "Sports of the Times". New York Times.
- ↑ "Some Highlights on Tilden Troupers". American Lawn Tennis. March 20, 1935.
- ↑ Parrott, Harold (January 1, 1939). "Budge-Vines Battle A Long-Sought Duel of Hardest Hitters". Brooklyn Daily Eagle (https://www.newspapers.com/image/52607535/).
- ↑ "BUDGE WINS, 6–2, 6–2, 6–3; Don Beats Vines in Montreal and Will Arrive Here Today". The New York Times. March 7, 1939. Retrieved March 18, 2012.
- ↑ The Bud Collins History of Tennis: An Authoritative Encyclopedia and Record Book. New Chapter Press. 2008. p. 66. ISBN 978-0-942257-41-0.
- ↑ "BUDGE TRIUMPHS, 8–6, 6–2; Don Beats Perry for 28th Time at White Plains". The New York Times. May 9, 1939. Retrieved March 18, 2012.
- ↑ The Bud Collins History of Tennis: An Authoritative Encyclopedia and Record Book. New Chapter Press. 2008. p. 66. ISBN 978-0-942257-41-0.
External links
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