- newspapers34,706
- photographs4,712
- articles3,972
- biographies (literary works)1,750
- questionnaires1,749
- correspondence1,339
- government records1,312
- ledgers (account books)1,305
- tax records1,292
- press releases1,207
- notes (documents)910
- dissertations422
- black-and-white photographs378
- paintings (visual works)311
- sculpture (visual works)295
- newsletters227
- oral histories (literary works)223
- schedules (time plans)187
- moving images186
- color photographs178
