Walter Vosburgh's complete text (1866-1921).

"Although there is no perfect statistical measurement for evaluating sires, I believe I've come up with a short list of stallions who are better at consistently siring the most successful synthetic performers than those who top the progeny earnings list for synthetic runners." Useful!

"He pulled away from the fast traveling Hoodwink as a great horse should ..." (Lawrence Realization)

Collated ante-post odds from UK/Ireland betting shops (via @robinhowlett).

Search scanned DRFs from the 1890s through the 1980s. Partial resource, ongoing project, helpful to racing history buffs. (Via @colinsghost)

Results from races dating back years.

Pedigree, racing, and breeding info + latest news on hundreds of racehorses in training.