Genre
Periodicals
377
Statistics
129
Directories
92
Congresses
50
Textbooks
41
Exhibitions
24
Sources
24
Bibliography
16
Case studies
16
Classification
11
Newspapers
11
Yearbooks
11
Catalogs
5
Census, 10th, 1880
5
Census, 1850
5
Census, 1860
5
Census, 1870
5
Census, 1880
5
Census, 7th, 1850
5
Census, 8th, 1860
5
Census, 9th, 1870
5
Electronic books
5
Biography
4
Guidebooks
4
Pictorial works
3
Registers
3
Telephone directories
3
Yellow pages
3
Academic theses
2
Archives
2
Collections
2
Early works to 1800
2
Genealogy
2
Handbooks, manuals, etc
2
History
2
Indexes
2
Maps
2
Surveys
2
Abstracts
1
Microform catalogs
1
Terminology
1