Blood-Horse magazine Top 100 Racehorses of the 20th Century
Around 1998, The Blood-Horse magazine polled a seven-person panel of distinguished horse racing officials and journalists: Keeneland racing secretary Howard Battle, Maryland Jockey Club vice president Lenny Hale, Daily Racing Form columnist Jay Hovdey, Sports Illustrated senior writer William Nack, California senior steward Pete Pedersen, Louisville Courier-Journal racing writer Jennie Rees and Gulfstream Park steward Tommy Trotter. Each of the experts compiled a list of what they considered to be the top 100 Thoroughbred racehorses of the 20th century, which was then combined into a master list first published in a special issue of the magazine in February 1999.
Source: Wikipedia — Blood-Horse magazine Top 100 Racehorses of the 20th Century (CC BY-SA 4.0)