- Bear Valley Irrigation Co., Los Angeles Litho. Co.)1
- Bekins Fireproof Storage1
- Beugler & Boardman?1
- Bloomington Land Company?1
- Board of Supervisors, Geo. H. Baker, engraver & lithographer)1
- Boise Cascade Properties1
- Britton, Rey & Co.1
- Britton, Rey & Co., lith1
- Burbank Chamber of Commerce1
- Bureau of Land Management, Central Coast Field Office1
- Bureau of Land Management, Redding Field Office1
- Bureau of Land Management, Ukiah Field Office1
- Bureau of Public Roads1
- C.B. Graham?1
- C.D. Gibbes : Sherman & Smith1
- C.D. Gibbes ; Sherman & Smith1
- C.E. Toberman Co.?,Olin G. McWain1
- C.F. Weber & Co.1
- C.F. Weber & Co.,Photo. lith. Britton & Rey1
- C.S. Harris' Real Estate Agency1
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