The Northridge Farms Thoroughbred Horse Photograph Collection document foals born on the thoroughbred horse breeding and training facility formerly located in Northridge, California. Stallion and mare names are often, but not always, labeled on the backs of photographs. When the name of the foal or the stallion is known, the photographs are arranged together by name. Unlabeled foals are grouped together in the Foal Photographs folder. There are also a small number of photographs with farm owners or workers, the training barn, horses in fields, and race photographs with jockeys at Del Mar and Santa Anita. A small number of newspaper and magazine clippings discuss horse racing and the work on the ranch. Some photographers are noted, but many photos are unattributed. Noted photographers include Bob Hopper and G.A. Tainter Jr. Folders are arranged alphabetically.