- newspapers380,809
- obituaries20,053
- clippings (information artifacts)10,493
- photographs8,672
- marriage licenses6,921
- civil court records6,387
- black-and-white photographs4,267
- black-and-white negatives3,285
- letters (correspondence)3,159
- judicial records3,151
- safety film negatives2,835
- maps2,767
- correspondence2,703
- maps (documents)2,616
- publications (documents)2,213
- diaries1,980
- cadastral maps1,908
- aerial photographs1,840
- state government records1,771
- biographies (literary works)1,767
