- postcards2,775
- reports2,751
- legislative records2,709
- editorial cartoons2,616
- financial statements2,391
- audits2,340
- biographies (literary works)2,231
- official reports2,170
- aerial photographs1,910
- cadastral maps1,910
- annual reports1,823
- interviews1,822
- ledgers (account books)1,820
- diaries1,805
- questionnaires1,773
- catalogs (documents)1,757
- field notes1,677
- school yearbooks1,591
- archival materials1,577
- color negatives1,553
