Genre
History
15
Electronic books
5
Criticism, interpretation, etc
3
Electronic book
3
Biographies
2
Biography
2
Academic theses
1
Audiocassettes
1
Audiotapes
1
Aufsatzsammlung
1
Computer network resources
1
Correspondance
1
Correspondence
1
Electronic records (digital records)
1
Encyclopedia
1
Encyclopedias
1
Encyclopédies
1
Journals
1
Personal correspondence
1
Photograph
1
Photographs
1
Proof coins
1
Sources
1
Textbooks
1
Traités
1
Traités
1
Treaties
1
Trivia and miscellanea
1
Videocassettes
1
encyclopedias
1