Subject (Genre)
- Pictorial works55
- Instructional films45
- Dictionaries42
- Popular works42
- Monographs40
- Atlas39
- Academic theses36
- Etchings36
- Satires (Visual works)35
- Outlines34
- Documentary films33
- Scientific atlases32
- Annual Reports29
- Handbooks29
- Catalogs28
- Conference papers and proceedings26
- Film excerpts26
- Lithographs25
- Short films25
- Streaming videos22