- newspapers348,742
- clippings (information artifacts)10,409
- obituaries10,210
- marriage licenses6,921
- photographs5,117
- civil court records4,013
- black-and-white negatives3,257
- judicial records3,150
- black-and-white photographs2,778
- maps2,713
- publications (documents)2,394
- letters (correspondence)2,260
- safety film negatives1,916
- cadastral maps1,908
- maps (documents)1,769
- biographies (literary works)1,767
- questionnaires1,752
- state government records1,735
- aerial photographs1,713
- plats (maps)1,659
