A page of the "Chinese Section" of San Francisco area Home telephone directory, 1910.
A page of the "Chinese Section" of San Francisco area Home telephone directory, 1910.

California’s directories reflect its rapid growth during the Gold Rush, railroad expansion, and 20th-century migrations. City and trade directories, dating from the mid-1800s, document individuals in booming cities like San Francisco and Los Angeles. These records list names, occupations, and businesses, making them invaluable for tracking migration patterns and economic shifts. Given California’s diverse population, directories can help locate immigrants, pioneers, and professionals. Electoral rolls and land ownership directories further support genealogical research.


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Directories, Guides & References

Directories


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