Genre
Maps
6,245
Biographies
890
Topographic maps
720
Conference papers and proceedings
678
Periodicals
317
Autobiographies
264
Handbooks and manuals
244
Atlases
203
Quadrangle maps
195
Congresses
192
Guidebooks
185
Statistics
144
Remote-sensing maps
138
Road maps
138
Dictionaries
135
Video recordings
133
Thematic maps
117
Case studies
107
Bibliographies
100
Outline maps
95
Technical reports
95
Geographic information systems
92
Encyclopedias
87
Literature
85
Physical maps
82
Tourist maps
78
Illustrated works
75
Serial publications
74
Remote-sensing images
69
Geological maps
64
Examinations
62
Graphs
59
Databases
55
Catalogs
49
Anecdotes
47
World maps
47
Cross-cultural studies
44
Charts, diagrams, etc
40
Academic theses
39
Bathymetric maps
37
Documentary films
36
Indexes
35
Textbooks
34
Drawings
33
Interviews
32
Index maps
31
Directories
30
Digital maps
29
Trivia and miscellanea
28
Nonfiction films
25
more ...