- Arnold, T. J. (Thomas Jefferson), -1878, cartographer1
- Arthur J. Sullivan & Associates, cartographer1
- Ashley, P. N. (Pallas N.), cartographer1
- Atwood Printing Company, author1
- Atwood, Frank E., cartographer1
- Atwood, John M., approximately 1818- cartographer1
- Automobile Club of Southern California, cartographer1
- Automobile Club of Southern California. Route and Map Service Department1
- Automobile Club of Southern California. Route, Map, and Service Department1
- Bailey, C. E., civil engineer, cartographer1
- Bailey, Edgar Herbert, 1914-1
- Baldwin, Arnold M.1
- Bannister, Alfred, cartographer, surveyor1
- Barrick and Murphy, cartographer1
- Beasley, T. D. (Thomas Dykes)1
- Beasley, T. D. (Thomas Dykes), cartographer1
- Bedesen, W. E., cartographer1
- Bekins Fireproof Storage1
- Benchmark Maps (Firm), cartographer1
- Black, Joseph F., creator1
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