Genre
Internet videos
71
Video recordings
71
Maps
22
Conference papers and proceedings
15
Legislative hearings
6
Bibliographies
5
Congresses
5
Case studies
3
Physical maps
3
Academic theses
2
Biographies
2
Festschriften
2
Periodicals
2
Atlases
1
Book reviews
1
Catalogs
1
Examinations
1
Exhibition catalogs
1
Guidebooks
1
Illustrated works
1
Indexes
1
Literature
1
Oral histories
1
Personal narratives
1
Personal narratives, American
1
Reviews
1
Sources
1