Social Studies
California Ranchos:
Westward Expansion:
General History search engines:
- California Fact Cards - information about Native Californians, Explorers, Missions/life, Ranchos, and CA history by decade
- Library of Congress' early California history
- Library of Congress' "California as I saw it" (more early CA history)
- http://www.ca.gov/
- https://calisphere.org/
- Oakland Museum of CA's collection of California history
- Virtual Museum of SF