Genre
Statistics
Electronic books
415
Databases
71
Printed ephemera
39
Internet videos
38
Census data
24
CD-ROMs
18
Maps
18
Congresses
17
Early works to 1800
15
Periodicals
15
Educational films
14
Statistics, Vital
13
Census, 1990
12
Data sets
10
Handbooks, manuals, etc
10
Census, 2000
9
Census
8
Documentary films
8
Statistiques
8
Gazetteers
7
Tables
7
Video recordings
7
Bases de données
6
Census, 1980
6
DVD-Video discs
6
Documentary television programs
6
Online databases
6
Sources
6
Television news programs
6
Census, 1970
5
Census, 1996
5
Documentary
5
Electronic reference sources
5
Nonfiction television programs
5
Registers
5
Statistics, Medical
5
Census, 1940
4
Census, 2010
4
Dataset
4
Geodatabases
4
Geographic information systems data
4
Geospatial data
4
Short films
4
Video recordings for the hearing impaired
4
Biography
3
Census, 2001
3
Census, 22nd, 2000
3
Charts, diagrams, etc
3
Feature films
3
more ...