Genre
Maps
23
Conference papers and proceedings
8
Congresses
6
Guidebooks
3
Periodicals
3
Geological maps
2
Serial publications
2
Academic theses
1
Atlases
1
Bibliographies
1
CMU author
1
Databases
1
Dictionaries
1
Documentary television programs
1
Drawings
1
Educational television programs
1
Encyclopedia
1
Encyclopedias
1
Laboratory manuals
1
Nonfiction television programs
1
Popular works
1
Science television programs
1
Topographic maps
1
Video recordings for the hearing impaired
1