Genre
Statistics
Periodicals
98
Census data
92
Census, 1990
18
Databases
16
Reference works
12
Census, 1980
9
Census, 1970
8
Handbooks and manuals
8
Serial publications
8
Census, 2000
7
Academic theses
5
Maps
5
Bibliographies
3
Census, 1960
3
Conference papers and proceedings
3
Dictionaries
3
Vital statistics
3
Atlases
2
Catalogs
2
Census
2
Census, 1997
2
Blank forms
1
CD-ROMs
1
Census, 1987
1
Census, 1992
1
Electronic government information
1
Family histories
1
Literature
1
Pictures
1
Software
1
Video recordings
1