Subject (Genre)
- Biographies18
- Sources17
- Streaming videos16
- Annual Reports12
- Bibliography11
- Names Lists11
- Videorecording11
- Early works to 180010
- Memorials and Petitions10
- Dictionaries9
- Feature films9
- Legislative hearings9
- Motions and Resolutions9
- Pictorial works9
- Encyclopedias7
- Handbooks and manuals7
- Hearings7
- Presidential Communications and Messages7
- Drama6
- Criticism, interpretation, etc5