- postcards2,775
- reports2,729
- editorial cartoons2,616
- financial statements2,391
- audits2,340
- legislative records2,326
- biographies (literary works)2,231
- official reports2,170
- cadastral maps1,910
- annual reports1,823
- ledgers (account books)1,820
- interviews1,818
- diaries1,805
- questionnaires1,773
- aerial photographs1,751
- catalogs (documents)1,737
- school yearbooks1,591
- archival materials1,588
- field notes1,569
- color negatives1,549
