Genre
Statutes and codes
2,641
Maps
1,219
Periodicals
914
Statistics
737
Handbooks and manuals
357
Road maps
299
Bibliographies
265
Technical reports
256
Conference papers and proceedings
195
Congresses
145
Topographic maps
121
Environmental impact statements
116
Directories
86
Pictures
83
Atlases
81
Posters
80
Guidebooks
79
Thematic maps
56
Sound recordings
55
Catalogs
54
Dictionaries
50
Tourist maps
46
Serial publications
43
Literature
40
Case studies
39
Video recordings
31
Identification
25
Indexes
22
Operas
22
Databases
20
Illustrated works
20
Internet videos
18
Tours
18
Sources
17
Classification
16
Tables (Data)
16
Biographies
14
Annual reports
12
Encyclopedias
12
Excerpts
12
Popular works
12
Exhibition catalogs
11
Coloring books
10
Personal correspondence
10
Family histories
9
Academic theses
8
Records (Documents)
8
Treaties
8
Graphs
7
Trivia and miscellanea
7
more ...