- maps (documents)5,761
- church records5,748
- publications (documents)5,249
- newsletters4,892
- marriage licenses4,554
- slides (photographs)4,513
- periodicals4,405
- files (document groupings)4,248
- letters (correspondence)3,848
- born digital3,566
- maps3,194
- judicial records3,153
- color transparencies3,111
- black-and-white prints (photographs)2,961
- minutes (administrative records)2,862
- safety film negatives2,835
- executive orders2,834
- military records2,753
- postcards2,753
- editorial cartoons2,614
