- newspapers470,535
- obituaries59,435
- state government records56,678
- clippings (information artifacts)50,928
- publications (documents)24,903
- programs (documents)13,660
- church records13,298
- records (documents)9,804
- theses9,538
- correspondence8,293
- articles7,140
- marriage licenses6,922
- civil court records6,303
- periodicals6,094
- newsletters5,707
- serials (publications)5,498
- letters (correspondence)4,689
- files (document groupings)4,251
- financial records3,871
- executive orders3,595
