Books by Humboldt Chamber of Commerce:
Books in the extended shelves:
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Humboldt Chamber of Commerce: Humboldt County, California. (Chamber of Commerce?, 1904), also by Humboldt County (Calif.). Board of Supervisors (page images at HathiTrust)- Humboldt Chamber of Commerce: Humboldt County, California. (Chamber of Commerce?, 1908), also by Humboldt County (Calif.). Board of Supervisors (page images at HathiTrust)
- Humboldt Chamber of Commerce: Humboldt County, California : a region of great natural resources as yet but little developed (Issued by Sunset Magazine Homeseekers' Bureau, 1910), also by George A. Kellogg, Southern Pacific Railroad Company, and Sunset Magazine Homeseekers' Bureau (page images at HathiTrust)
- Humboldt Chamber of Commerce: In the redwood's realm by-ways of wild nature and highways of industry as found under forest shades and amidst clover blossoms in Humboldt County, California (Printed by D.S. Stanley & co., 1893), also by John Mathewson Eddy (page images at HathiTrust)
Find more by Humboldt Chamber of Commerce at your library, or elsewhere.