- postcards2,756
- reports2,701
- editorial cartoons2,614
- financial statements2,387
- audits2,340
- legislative records2,323
- biographies (literary works)2,229
- official reports2,167
- cadastral maps1,908
- ledgers (account books)1,810
- annual reports1,803
- interviews1,793
- diaries1,784
- questionnaires1,771
- aerial photographs1,738
- catalogs (documents)1,723
- archival materials1,575
- field notes1,568
- school yearbooks1,568
- color negatives1,549