Genre
Conference papers and proceedings
Congresses
585
Statistics
14
Periodicals
8
Technical reports
5
Census data
4
Directories
4
Biographies
3
Festschriften
3
Serial publications
3
Abstracts
2
Exhibition catalogs
2
Handbooks and manuals
2
Longitudinal studies
2
Video recordings
2
Art
1
Bibliographies
1
Campaign literature
1
Case studies
1
Dictionaries
1
Maps
1
Pamphlets
1
Sources
1