- newspapers34,709
- photographs4,724
- articles4,063
- biographies (literary works)1,750
- questionnaires1,750
- correspondence1,353
- government records1,314
- ledgers (account books)1,307
- tax records1,293
- press releases1,208
- notes (documents)913
- dissertations424
- black-and-white photographs379
- paintings (visual works)312
- sculpture (visual works)296
- oral histories (literary works)238
- newsletters230
- moving images192
- schedules (time plans)188
- color photographs179
