- Napoleonic Wine Trade Collection. (MC121)
- National Defense Research Committee Collection. (MC051)
- Natural Colored Wool Growers Association (NCWGA) Records (D-345)
- Nelson, Klayton E. Papers. (D-333)
- Nelson, Oscar M. F. Papers. (D-119)
- Neubauer, Loren W. (1904-1991). Papers. (D-109)
- Neumann, Alfred. Collection. (MC064)
- Nevada City, Board of Trade/Chamber of Commerce Minute Book. (D-413)
- Nevada County Collection. (MC211)
- Nevada Theatre. Collection. (D-002)
- New California Jockey Club Collection. (MC077)
- Newton, Gordon, & Johnson, Merchants. Collection. (MC016)
- Noble, Ann C. Papers. (D-415)
- North Bloomfield Gravel Mining Company Records (D-562)
- Northern California Entomology Club Archives. (D-166)
- Nursery and Seed Catalog Collection: International. (O-041)
- Nursery and Seed Catalog Collection: United States. (O-009)
- Nursery and Seed Ephemera Collection (O-042)
- Nyhus, Paul O. (1894-1981). Papers. (MC003)
Manuscripts
Browse manuscripts alphabetically or by subject.