Genre
History
70
Congresses
30
Conference papers and proceedings
22
Electronic books
19
Periodicals
14
Sources
8
Pictorial works
7
Early works to 1800
5
Electronic journals
4
Biography
3
Case studies
3
Dictionaries
3
Exhibitions
3
Problems, exercises, etc
3
Academic theses
2
Biographies
2
CD-ROMs
2
Catalogs
2
Early works
2
Exhibition catalogs
2
Maps
2
Problems and exercises
2
Terminology
2
Treaties
2
Aerial photographs
1
Bases de datos
1
Bibliography
1
Conference papers and proceedings
1
Designs and plans
1
Documentary films
1
Encyclopedias
1
Études de cas
1
Facsimiles
1
Indexes
1
Interviews
1
Motion pictures
1
Nonfiction films
1
OBRAS ANTERIORES A 1800
1
Personal narratives
1
Problèmes et exercices
1
Rules
1
Software
1
Statistics
1
World's fairs
1