Genre
Periodicals
343
Statistics
106
Textbooks
100
Congresses
86
Sources
43
Case studies
35
Bibliography
21
Electronic books
16
Pamphlets
13
Biography
12
Archives
5
Literary collections
5
Abstracts
4
Census, 1850
4
Census, 7th, 1850
4
Directories
4
Handbooks, manuals, etc
4
Indexes
3
Juvenile fiction
3
Juvenile literature
3
Maps
3
Newspapers
3
Problems, exercises, etc
3
Périodiques
3
Academic Dissertation
2
Academic theses
2
Case Reports
2
Catalogs
2
Census, 1860
2
Census, 8th, 1860
2
Early works to 1800
2
Fiction
2
Interviews
2
Lists
2
Statistics, Vital
2
Thèses et écrits académiques
2
Anecdotes
1
Aufsatzsammlung
1
Bibliographies
1
Book reviews
1
Cases
1
Census
1
Census, 10th, 1880
1
Census, 1870
1
Census, 1880
1
Census, 1971
1
Census, 9th, 1870
1
Collections
1
Constitution
1
Controversial literature
1
more ...