Genre
Electronic books
51
Statistics
46
Periodicals
31
Maps
16
Biography
15
Databases
11
Guidebooks
8
Electronic journals
7
Messages
7
Fiction
5
Case studies
4
Juvenile literature
4
Biographies
3
History
3
Pictorial works
3
Speeches in Congress
3
Controversial literature
2
Handbooks, manuals, etc
2
Remote-sensing maps
2
Topographic maps
2
Bibliography
1
CD-ROMs
1
Catalogs
1
Census data
1
Census, 1990
1
Census, 2000
1
Census, 2010
1
Census, 22nd, 2000
1
Charters
1
Charts, diagrams, etc
1
Correspondence
1
Documentary films
1
Drama
1
Drawings
1
Encyclopedias
1
Feature films
1
Humor
1
Identification
1
Juvenile works
1
Mystery fiction
1
Newspapers
1
Nonfiction films
1
Observations
1
Poetry
1
Road maps
1
Rules and practice
1
Sermons
1
Tours
1
Trials, litigation, etc
1
Western stories
1