Genre
Periodicals
1,280
Statistics
498
Congresses
211
Bibliography
72
Directories
47
Case studies
45
Sources
39
Biography
31
Yearbooks
30
Maps
27
Cases
26
Handbooks, manuals, etc
25
Catalogs
23
Textbooks
22
Newspapers
21
Statistics, Vital
19
Abstracts
15
Périodiques
14
Guidebooks
11
Indexes
10
Classification
9
Correspondence
9
Dictionaries
9
Juvenile literature
9
Poetry
9
Registers
7
Exhibitions
6
Tables
6
Archives
5
Census, 10th, 1880
5
Census, 1850
5
Census, 1880
5
Charts, diagrams, etc
5
Digests
5
Fiction
5
Longitudinal studies
5
Readers
5
Statistics, Medical
5
Texts
5
Treaties
5
Census, 1860
4
Census, 1870
4
Census, 7th, 1850
4
Census, 8th, 1860
4
Census, 9th, 1870
4
Folklore
4
Genealogy
4
Microform catalogs
4
Periodical
4
Popular works
4
more ...