Genre
Statistics
30,854
Census data
6,690
History
5,054
Maps
4,278
Periodicals
3,321
Census
3,265
Census, 1990
3,032
Census, 1980
2,110
Congresses
2,022
Statistics, Vital
1,654
Conference papers and proceedings
1,437
Census, 2000
1,313
Census, 20th, 1980
1,170
Electronic books
993
Databases
882
Statistiques
864
Vital statistics
848
Sources
804
Census, 2010
757
Bibliography
657
Academic theses
614
Census, 2001
555
Census, 1981
478
Census, 1991
478
Census, 1970
460
Census, 19th, 1970
419
Vital
406
CD-ROMs
374
Thematic maps
282
Case studies
261
Census, 2011
247
Census, 1982
245
Bibliographies
243
Thèses et écrits académiques
240
Census, 1971
220
Atlases
212
Census, 1960
209
Early works to 1800
194
Internet videos
191
Genealogy
189
Census, 1998
172
Handbooks, manuals, etc
172
Census, 1940
164
Census, 22nd, 2000
154
Census, 2005
151
Educational films
150
Census, 1986
133
Congress
133
dissertations
132
Catalogs
131
more ...