Aga Khan Studs
Includes sections for stallions, history, the studs in Ireland (standing Daylami, Kalanisi and Sinndar) and France (standing Kahyasi and Sendawar), nominations and news. Clicking on the horses produces pedigrees, photos and female family information. [Aga Khan Studs]

The Baylors of Newmarket: The Decline and Fall of a Virginia Planter family
A new biography about one of the foremost owners and breeders of colonial America. [thomas Katheder]

Eastern European Turf History
Historical lists of winners of major eastern and central European races, including pedigrees and portraits of some notable winners. [Miodrag Milovanovic]

Eclipse On-Line
Weatherbys' internet service has up-to-date information on breeding, racing and the sales, including some free reports. [Weatherbys Group Limited]

Foundation Matriarchs of the Turf
Promoting the corrected pedigrees of the early imported Thoroughbred mares as well as providing hypotheses for some mares whose parentage is unknown. [Christine A Matthes]

Jadwiz Racing
Produces a printable and online form guide with exclusive ratings along with unique horse racing systems. [Rich]

Japan Bloodstock
Includes a Racing Calendar which lists graded races and results, pedigree research providing country and color, family tables showing graded winners, summary of graded wins for selected horses, and a printable pedigree page. [Japan Bloodstock Ltd]

Keeneland Library
A research/reference library on Thoroughbred racing, breeding, and related subjects. Includes history, milestones, and photo gallery. [Keeneland]

Maryland Racing Art
Maryland racing... the past and the present in pictures. The paintings depict scenes from the rich history of thoroughbred racing in Maryland. Includes portraits of Selima* and Othello*. Prints for sale. [William Wilson Studio]

National Museum of Racing and Hall of Fame
Their mission is to interpret the history and convey the excitement of Thoroughbred racing in America to the broadest possible audience. [Daily Racing Form]

National Sporting Library
A Research Center for Horse and Field Sports. Includes What's New, About the NSL, Book Sale, Collections, Donor Information, etc. [National Sporting Library]

Pedigree Online Thoroughbred Database
Free online pedigrees for nearly a million horses. Other services provide, for a fee, Progeny Query, Hypothetical Mating, Female Family, Dosage Calculator, and more. Formerly the Del Mar Pedigree Query. [Miles Michelson]

Rare White Thoroughbreds et. als.
History and developement of white thoroughbreds with photographs and pedigrees, including other rare colours such as palomino and buckskin, and a section on the fastest times among grey/roan and white thoroughbreds. [Jorge Martinez]

A guide to influential female Thoroughbred families that could be utilized to improve the breed. Over 400 mares are designated as Reines-de-Course. Includes Bloodlines, Family Numbers, The Good Grey Blood, Patterns, Reine List, Family List, etc. [Ellen Parker]

RSA Pictorial Database
Historic Thoroughbreds in Photo and Art. View slideshows or one at a time. [Rancho San Antonio]

Second Running
Dedicated to keeping the magic of horse racing history alive - the great ones and not-so-greats. Both contributed so much to the growth of the sport. Includes history of racing, photo sections on Citation, Secretariat, Seabiscuit, War Admiral and Phar Lap. [Second Running]

The Cox Library
A private library devoted to the thoroughbred horse consists of books and other printed material related to the worldwide history and organisation of horse racing and thoroughbred breeding in fact and fiction. [Tim Cox]

The Thoroughbred Racehorse
The Champion Sires in Great Britain from 1721 and in Great Britain and Ireland from 1850, showing their male-line descent; discussion of confused historic pedigrees, identification of foundation horses, family table of owners of foundation horses. [James R Hardiman]

Thoroughbred Champions
Championing the horse and the sport. Includes Gallery of Greats, Research Library, Stakes Results, Racing Round Table, Virtual Racecards, Racing Desktops, an invaluable Archives, and many more features. [Victoria Keith, Kathleen Jones and Barbara Livingston]

Thoroughbred Heritage
Focuses on the history and individuals contributing to the grand tapestry of the modern Thoroughbred's pedigree. Includes Historic Sires, Historic Dams, Portraits, Turf Hallmarks, Breeders, Genetic Markers and Bibliography. [Anne Peters and Patricia Erigero]

Thoroughbred Village
The online horse racing community of Australia and New Zealand. Featuring news, awards, stud farms, stallions and interactive racing and breeding forums. [Thoroughbred Village]
Information on thoroughbred racing in Spain. Toda la información sobre les carreras de caballos en España y el mundo. Programas, resultados, árboles genealógicos, historiales de caballos y jockeys. []

Virginia Museum of Fine Arts
Home of one of the nation's finest collection of British sporting art from the Paul Mellon Collection; includes a bookstore. [Virginia Museum of Fine Arts]