- newsletters8,110
- articles8,022
- marriage licenses6,922
- civil court records6,389
- periodicals6,114
- maps (documents)5,807
- serials (publications)5,502
- letters (correspondence)4,620
- slides (photographs)4,555
- files (document groupings)4,251
- executive orders3,889
- financial records3,881
- maps3,225
- born digital3,181
- judicial records3,166
- color transparencies3,110
- black-and-white prints (photographs)2,983
- military records2,945
- minutes (administrative records)2,937
- oral histories (literary works)2,869
