Genre
Textbooks
100
Congresses
87
Statistics
38
Case studies
36
Sources
35
Bibliography
18
Electronic books
16
Periodicals
16
Biography
13
Pamphlets
13
Literary collections
5
Archives
4
Directories
4
Handbooks, manuals, etc
4
Census, 1850
3
Census, 7th, 1850
3
Juvenile fiction
3
Juvenile literature
3
Maps
3
Problems, exercises, etc
3
Academic Dissertation
2
Academic theses
2
Case Reports
2
Early works to 1800
2
Fiction
2
Indexes
2
Interviews
2
Lists
2
Statistics, Vital
2
Thèses et écrits académiques
2
Anecdotes
1
Aufsatzsammlung
1
Bibliographies
1
Biographies
1
Cases
1
Catalogs
1
Census
1
Census, 10th, 1880
1
Census, 1860
1
Census, 1870
1
Census, 1880
1
Census, 1971
1
Census, 8th, 1860
1
Census, 9th, 1870
1
Congrès
1
Constitution
1
Controversial literature
1
Critique, interprétation, etc
1
Exhibitions
1
Longitudinal studies
1
more ...