- newspapers342,502
- clippings (information artifacts)10,409
- obituaries10,210
- photographs5,006
- marriage licenses4,554
- civil court records4,013
- black-and-white negatives3,257
- judicial records3,150
- black-and-white photographs2,775
- 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
- plats (maps)1,659
- aerial photographs1,554
