Genre
Census data
Statistics
106
Databases
34
Census, 1990
21
Census, 1980
18
Academic theses
16
Handbooks and manuals
12
Census, 2000
11
Census
10
Reference works
10
Census, 1970
5
Conference papers and proceedings
5
Maps
5
Periodicals
4
Indexes
3
Bibliographies
2
Catalogs
2
Classification
2
Family histories
2
Software
2
Video recordings
2
Blank forms
1
Census, 1960
1
Census, 2010
1
Congresses
1
Dictionaries
1
Forms
1
Illustrated works
1
Pictures
1
Posters
1
Questionnaires
1
Vital statistics
1