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In addition to the items cataloged for the Humboldt County Collection and Archives, which are listed in the Cal Poly Humboldt Library Catalog and shelved in the Special Collections Reading Room, other collections exist. Major collections have their own web pages as well as a record in the Library Catalog. This list includes both major collections, with links to the collection web pages, as well as other collections which are available on a much more limited basis, as noted. Some collections may not be available for use; please consult the Special Collections Librarian if you are interested in one of these collections.

Search the Online Archive of California

Alternative Waste Disposal Collection (available by appointment)
Compost toilet, United Stand, County/State policy; 1976-1980; 1 box

Arcata Ballot Measure G Collection (available by appointment)
Arcata sales tax measure; 2007-2008 bulk; .3 cubic feet

Arcata City Collection (available by appointment)
Unofficial documents; 1895-1977 bulk; 5 cubic feet

Arcata Historical Resources Survey 2012 (available by appointment, use finding aid)
Arcata; historic buildings and structures; 1850s-2012; 3,697 electronic files

Articles of Incorporation (unprocessed, available by appointment)
1800s-1970s, in alphabetical order (see also State Archives); 15 boxes

Balke Collection (available by appointment)
Crannell, Little River Redwood Company; 1906-1963; 2 cubic feet

Barnum (Charles R.) Collection (individual titles cataloged)
Humboldt County history, student papers; 1956 to present

Bayside Grange Collection (unprocessed, not available for use)
Bayside Grange activities; 1930s-2000s; 8 cubic feet

Becking (Rudolf W.) Collection (available by appointment, use finding aid)
Natural resources, Redwood National Park, Cal Poly Humboldt, Arcata, Humboldt Bay; 1940-2009; 103 boxes, 122 cubic feet

Belcher Atlas of Humboldt County (available online)
Parcel ownership, natural and built features; 1921-1922; 25 sheets

Bloom (Charles) Slide Collection (available by appointment)
Northwestern California, Humboldt State; 1952-1989; approximately 6,900 slides

Boyle Photograph Collection (1,795 images online, use finding aid)
Trinidad, Crannell, logging, 1900-1960s; 2 boxes

Buckley (Thomas) Papers (available by appointment, use finding aid)
Yurok Indians, northwestern California; 1960s-1990s; 6 cubic feet

Butler Valley Dam Collection (available by appointment)
Butler Valley Dam (proposed), Mad River; 1966-1973; 1 box

California Revealed (available online)
Historical moving images and audio from Cal Poly Humboldt. Digitized through the the California Audiovisual Preservation Project; 1947-2000; 146 digitized recordings

Cannabis Research Collection (available)
CAMP Reports, Faculty research, Newspaper clippings; 1968-

Carranco (Lynwood) Papers (available by appointment, use finding aid)
Northwestern California history, Yuki Indians, Humboldt Bay, Samoa, Shipwrecks; 1850s-1997; 10.5 cubic feet/11 boxes

Center for Indian Community Development (CICD) Collection (available by appointment, use finding aid)
American Indian languages, Northwestern California; 1966-2013; ca 200 cubic feet

chronic freedom series by Scott Holmquist (available by appointment, individual titles cataloged)
Marijuana, Cannabis, Southern Humboldt County; 1960s-2010; 5 hand-made artist's books

Clausen (Don) Congressional Papers (available by appointment, use finding aid)
Congressional Papers; 1963-1983; 144 boxes

Clay (Charles Irving) Papers (available by appointment, use finding aid)
Oology, Birds, Correspondence; 1892-1918; .5 linear feet

College Elementary School (CES) Collection (available by appointment)
History of CES, 1991 CES Reunion; 1920s-1991; 4 cubic feet

Courtney (Claire) Collection (available by appointment, use finding aid)
Human rights organizations, Humboldt County; 1960s-1990s; 3 boxes

Dunning (Joan) Collection (available by appointment, use finding aid)
Headwaters Forest, Pacific Lumber Company, environmental activism; 1990s; 2 boxes

Ellinwood (Jud), Salmon and Steelhead Restoration Collection
Citizen advocacy for salmon restoration especially in Northwest California and statewide in California

Emerald Creek Committee Collection (ECC) (unprocessed, contact Special Collections Librarian)
Grassroots campaign, student and community environmental activism; 1967-1992; 5.5 cubic feet

Environmental Protection Information Center (EPIC) Collection (unprocessed, not available for use)
Citizen activism, Northwestern California; 1970s-2000s; 50 cubic feet

Environmental Protection Information Center (EPIC)/Headwaters Court Cases Collection (available by appointment)
Citizen activism, Northwestern California; 1944-2005 (inclusive), 1990-1999 (bulk); 42 cubic feet

Environmental Research Consulting (ERC) files (unprocessed, not available for use)
Engineering consulting firm projects; 1970s; 16 boxes + maps

Ericson Photograph Collection (497 images online, use finding aid)
Lumber industry, Native Americans, Northwestern California; 1880s-1920s

Escola Photograph Collection (available)
Logging and ships, Mendocino coast; 1870s-1920; 3 binders of 8x10 copy prints

Eureka Waterfront Litigation Collection (available by appointment, use finding aid)
Eureka Tidelands litigation, Humboldt Bay; 1850-1980s; 7 boxes, oversized exhibits

Fairbanks Photo Album (available by appointment)
Salmon River Road (construction), Klamath River; 1920-1925; 1 album

Fairless (Alexandra) Campaign Collection (available by appointment)
Arcata City Council; 1972-2010; 1.2 linear feet

Fish and Game Slides of Ralph B. McCormick (available by appointment)
Streams, logging, fisheries; 1950s; ca. 200 slides

Food For Thought (available by appointment)
KHSU public radio show, Humboldt County; 2009-2018; 300+ digitized interviews

Fort Baker/Porter Family Collection (available by appointment)
Sheep ranching, southeastern Humboldt County; ca. 1875-1912; 1 box

Fountain (Susie Baker) Papers (available, use finding aid)
Northwestern California history; 1850s-1960s; 128 volumes, including microfilm

Freeman Art Company Photograph Collection (available by appointment)
747 images of Humboldt County; 1913-1969; 4 linear feet, 8 boxes

Galloway (R. Dean) Papers (available by appointment)
Humboldt State University Library; University of Tehran; 1956-1968; .5 cubic feet

Genzoli (Andrew) Collection (available by appointment, use finding aid)
Photographs, newspaper history, Ferndale, agriculture; 1850-1984; 57 cubic feet

Gist (Arthur) Letters (available by appointment)
World War II correspondence to President Gist from students; 1940s; 3 boxes

Harris (Ina & Noel) Collections (under construction, 2 available by appointment, 3rd not available)
Labor unions, supplements the RDC Collection (5), homeless, includes Mitchell Redner Center (9), personal papers (Ina - 41); 1940s-1990s; 55 boxes

Herman (Morris) Collection (available by appointment)
Arcata, Local Poet; 1960-1993; .25 cubic feet

Herrick Land Survey and Map Collection (available, use finding aid)
Maps by Herrick Surveying firm; 1890-1930; 251 items

Hover Photograph Collection (48 images online, use finding aid)
Karuk Indians, Indian baskets, Klamath River; 1900-1920; 1 binder of 8x10 in copy prints and online

Hoyle (True) Collection (available by appointment)
Arcata; 1880-2001; 1 box

Humboldt County Aerial Photograph Collection (available by appointment)
Humboldt County Public Works; 1931-2002; 40,000+ hard copy photographs and map indexes

Humboldt in the Time of COVID- Digital Archive (available online)
Humboldt County community, news, creative works; 2020-2022

Humboldt University Archives Pamphlet Collection (available by appointment, use container list)
Cal Poly Humboldt University History, all subjects; 1913 to present; 30 File drawers

Humboldt University Oral Histories (available online)
Cal Poly Humboldt history; 1910s-2000s; 3 groups of tapes

Humboldt University Public Affairs Collection (available by appointment, use finding aid)
Cal Poly Humboldt University, news releases, photographs; ca. 1930s-early 2000s; ca. 60 cubic feet

Humboldt University Theses and Projects (individual titles cataloged)
All subjects; 1950-to date

Humboldt County Records (unprocessed, not available for use)
Assessment Rolls, 1852-1949, some Tax Collectors Cash Books, Sheriff's Register of Warrants, Poll Tax & Military Roll, etc. Assessment Rolls have been microfilmed and are available at the Humboldt County Library; approximately 1,050 oversize volumes

Humboldt Watershed Council Collection (unprocessed, not available for use)
Citizen activism; 1990s-2000s; 40 cubic feet

Humboldt Watershed Council and Salmon Forever Video Collection (available by appointment)
Audiovisual material, citizen activism, Elk River, Freshwater Creek; 1980s - 2005; 520 items 

Indian Natural Resources, Science & Engineering Program (INRSEP) Collection (available by appointment)
Native American education, Cal Poly Humboldt history; 1970s-2024; 11 boxes

Indigenous Living Biographies Collection (available by appointment)
Native American oral histories; 1999-2001; 56 compact discs

Klamath Forest Alliance Collection (available by appointment, use finding aid)
Klamath-Siskiyou Bioregion, citizen activism, forest management policy; 1980s-2000s; 94 cubic feet

Louisiana Pacific/Hammond Lumber Company Collection (available by appointment, use finding aid)
Corporation records (including maps, architectural drawings, photos), Samoa; 1880s-1980s; 14 map file cases (ca 3,300 maps) & 63 boxes

Mad River Anthology Collection (available online)
Arcata, Poetry, KHSU, Stephen Miller; 1980s-1990s; 100 audiorecordings

Map Collection (available, use finding aid)
Northwestern California, historical, geologic, etc. maps; 1850 to present

Mattole Watershed Alliance (available by appointment)
Mattole River Watershed, fisheries, salmon; 1990s; .5 cubic feet

McKay (Tim) Collection (available, use finding aid)
Northwestern California environmental history, 1900s-2006; 60 cu ft.

McKay (Tim) Postcard Collection (available, use finding aid)
Postcards, Northwestern California; 1900s-2005; approximately 5,000 cards, 17 binders

Music Archive (available)
Humboldt Music Department performance flyers; 1968-to date

Native American Collections at the Cal Poly Humboldt Library
The history of the Native American Collections at Cal Poly Humboldt

Neill Photo Album (available by appointment)
Scotia, Pacific Lumber Company; 1908-1913; 1 album

Newspaper Collection (available in Special Collections and by appointment, use indexes)
Northwestern California, all subjects; 1850s to present; 3 map filing drawers

Northcoast Environmental Center (NEC) Collection (available by appointment)
Citizen activism; Environmental conservation; bulk 1990s-2000s; 49 linear feet

Northwestern California Forest Communities (available online)
Themed collection with representative examples from several collections

Old Timers Collection (available by appointment)
30 minute radio show recordings of Humboldt County people, inventory available by appointment; late 1940s; 63 interviews (Humboldt County Historical Society also has a set and the inventory)

Oliner Altruism Research Archive (available online)
Human behavior, education, interviews; 1990s-2024; 200+ documents online 

Onstine (Frank) Collection (unprocessed, available by appointment)
Northwestern California, Labor history; 1960s-1990s; 1 cubic foot

Palmquist (Peter E.) Working Photograph Collection (3,700 images online, use finding aid)
Photographic negatives and study prints, Northwestern California; 1870s-1920s; approximately 5,000 images, 3,700 are online

Palmquist/Yale Digital Collection (740 images online; use finding aid)
Scanned photos from the Palmquist Collections at the Beinecke Library, Yale University; 740 images are online

Palmquist's Lucy Thompson File (available by appointment)
Yurok Indians; 1895-1992; .5 cubic foot

Pamphlet Collection (available, use subject list)
Northwestern California, all subjects; 1850s to present; 40 File drawers

Partain Photograph Collection (available)
Logging; northwestern California; ca. 1890-1920; 3 binders of 8x10 copy prints

Photograph Collection (searchable online)
Northwestern California, all subjects; 1880s-1980s

Rare Books Collection - Cal Poly Humboldt Special Collections (individual titles cataloged)

Redwood District Council of Lumber & Sawmill Workers Collection (available by appointment, use finding aid)
Lumber unions; 1940-1985; 125 boxes + oversize exhibits

Roberts Photograph Collection (536 images online, use finding aid)
Klamath River, Yurok and Tolowa Indians; 1915-1933; all 536 photos are online

Sacks Photograph Collection (available)
Carson Mansion, William Carson; 1 binder of 8x10 copy prints

Salmon Archive (available outside Special Collections)
Depository collection for West Coast Steelhead, Coho, and Chinook; 1900s-1980s; 4 filing cabinets

Samoa - A Lumber Company Town (available online)
Samoa, company towns, lumbering;1880s-1980s; 125 architectural drawings and maps

Save the Redwoods League - Humboldt County Group (available by appointment)
Northwestern California; 1919-1934; 1 box

Schoenrock Photograph Collection (104 images online, use finding aid)
Requa, Klamath River, canneries, Yurok Indians; 1890-1925; 104 photos

Schwarzkopf (Chet) Newspaper Columns (available online)
60 columns on Humboldt County places, originally published in the Humboldt Times; 1948-1950

Shuster Aerial Photograph Collection (2,300 images online, use finding aid)
Northwestern California; 1946-mid1960s; approximately 2,300 negatives

Shuster Photograph Collection (available by appointment)
Northwestern California; 1942-1990s; 2.5 cubic feet

Smith (Norman R.) Collection (available by appointment)
Moonstone Beach, Trinidad, diaries; 1918-1938; 3 cubic feet/ 5 boxes

Smith River Rancheria Archive (available, use finding aid)
Tolowa Indians; 1850s-1980s; 52 CDs

Stanton (Kathleen) Papers (available by appointment)
Arcata history; 1975-2001; 2 boxes

Steenfott Photograph Collection (available)
Humboldt County, all subjects, 1860-? Humboldt County Library also has; 9 binders of 8x10 copy prints

Stewart (Connie) Arcata City Council Collection (available by appointment)
Arcata politics and government; 1988-2004 bulk; 9 cubic feet

Stewart (Connie) Assemblywoman Patty Berg Field Office Collection (available by appointment)
Humboldt/Del Norte/Trinity Counties; bulk 2003-2008; 18 cubic feet

Stewart (Connie) California Center for Rural Policy (CCRP) Collection (available by appointment)
Humboldt/Trinity/Del Norte/Mendocino Counties, economic development; 2000-2019; 8 cubic feet

Strike for Peace Collection (available by appointment, use finding aid)
Student and community activism, vietnam war protest; 1965-1978; 3.5 cubic feet 

Strope (Glady) Collection (available by appointment, use finding aid)
Mental health issues, Humboldt County and California; 1960s-1990s; 9 boxes

Stutz (Jodie) Papers (available by appointment)
Cal Poly Humboldt English Dept., Toyon; 1980s; 2 cubic feet

Swanlund-Baker Photograph Collection (1,001 images online, use finding aid)
Northwestern California, tanbark industry; 1904-1910; 1001 copy prints

Theatre Arts Archive (available by appointment)
Theatre Arts Department performances, photos and playbills; 1925-1991, bulk 1955-1977; 3 boxes plus oversize

Thornburgh Timber Maps (available, use finding aid)
Lumber industry, Hammond/Georgia Pacific/Louisiana Pacific; 1900s-1970s; 400 items

Tripp (Brian D.) Papers (available by appointment)
Kauk, Native American, Artwork, Poetry; 1970s - 2010; 21 boxes

Tooby and Prior Photo Album (available by appointment)
Blocksburg, ranch life; 1903-1915; 1 album

Toyon Literary Journal Collection (available by appointment)
University Publishing; English Department; Literary efforts; 2 boxes

Union Labor Hospital Collection (unprocessed, available by appointment)
Logging, medical insurance, northwestern California; 8 boxes

University Archives (portions are processed, use the Library Catalog and the web page)
University history; 1913 to present

University Resident Life and Housing Collection (available by appointment) 
University history, housing, dormitories; 1959-1990; 4 boxes

Van Deventer (Ruby) Collection (unprocessed, available by appointment)
Flora of Del Norte County; specimens in the University Herbarium; 2 boxes

Van Kirk (Susie) Papers (unprocessed, contact Special Collections Librarian for access)
Humboldt County history, newspapers, and architecture; 1884-2014; 26 boxes

Vinyard (Lucille) Papers (unprocessed, not available for use)
Redwood National Park, diaries, environmental activisim, and California Coastal Commission; 1951-2013; 109 boxes

Warren Photograph Collection (available by appointment, use finding aid)
Little River Redwood Company, Crannell; 1880s-1954; 74 images online

Western Air Photo Collection (58 images online)
Aerial photographs of farms in Humboldt County; 1940s-1950; 58 images

Wiyot History Papers (available online)
Wiyot history; 1920s; document online