California: A History and Guide to CA Flags (pdf)

Flags Over California is a history and illustrated guide from the California National Guard to the flags that have flown over the Golden State, such as the flag of the Spanish Empire, the Russian-American Company pennant, the standard of the Mexican Republic, the Fremont flag, and various versions of the bear spangled banner. The site also provides the text of laws related to the look and correct procedures for displaying the California state flag.
<http://www.calguard.ca.gov/>