Genre
Maps
889
Statistics
543
Periodicals
349
Topographic maps
142
History
107
Legislative materials
76
Government publications
53
Census, 1980
46
Census, 1990
42
Census, 20th, 1980
38
Braille books
28
Handbooks, manuals, etc
25
Case studies
24
Catalogs
24
Legislative hearings
23
Statutes and codes
23
Cartes géographiques
22
Electronic books
22
Databases
20
Guidebooks
20
Statistiques
17
Cartes
16
Census data
16
Census, 19th, 1970
16
Bathymetric maps
15
Maps, Topographic
14
Bibliography
13
Identification
12
Observations
12
Handbooks and manuals
11
Rules and practice
11
Technical reports
11
Tourist maps
11
Directories
10
Geological maps
10
Juvenile literature
10
Juvenile works
10
Biography
9
CD-ROMs
9
Field guides
8
Sources
8
Bibliographies
7
Rules
7
Activity books
6
Biographies
6
Local history
6
Remote-sensing maps
6
Census
5
Guides et manuels
5
Personal narratives
5
more ...