Genre
Maps
1,012
Periodicals
202
Bibliography
196
Guidebooks
172
Congresses
149
Geological maps
134
Conference papers and proceedings
133
Electronic books
114
Charts, diagrams, etc
101
History
76
Bibliographies
67
Cartes géographiques
64
Biography
54
Databases
43
Directories
40
Biographies
38
Nomenclature
38
Surveys
31
Drawings
28
Terminology
27
CD-ROMs
23
Academic theses
19
Atlases
19
Government publications
19
Topographic maps
19
Software
17
Geological cross-sections
15
Indexes
15
Internet videos
15
Abstracts
14
Dictionaries
14
Diaries
13
Educational films
13
Handbooks, manuals, etc
13
Observations
13
Autobiographies
11
Catalogs
11
Festschriften
11
Physical maps
11
geological maps
11
Cartes géologiques
10
Early works to 1800
10
Pictorial works
10
Actes de congrès
9
Congress
9
Aerial views
8
Juvenile literature
8
Periodical
8
Maps, Topographic
7
Quadrangle maps
7
more ...