- marriage licenses6,921
- civil court records6,301
- periodicals6,077
- newsletters5,921
- maps (documents)5,778
- serials (publications)5,489
- letters (correspondence)4,643
- slides (photographs)4,513
- files (document groupings)4,248
- financial records3,860
- born digital3,736
- executive orders3,595
- maps3,195
- judicial records3,153
- color transparencies3,110
- black-and-white prints (photographs)2,963
- military records2,939
- minutes (administrative records)2,852
- safety film negatives2,835
- oral histories (literary works)2,796
