California Ranchos is a thorough reworking of a 1942 WPA project, listing the land grants issued during the Spanish and Mexican periods of California history. Entries include: rancho name, record number, present-day county, area of grant, grant date, recipient(s), acreage, new patent date, new recipients' names, and location. Entries are arranged by county and rancho name. Several comprehensive indexes make the material completely accessible. The first place to go for research into California land holdings.