Genre
Sources
644
Records and correspondence
147
Genealogy
110
Indexes
92
Bibliography
78
Registers
78
Archives
76
Statistics
61
Microform catalogs
52
History
39
Census, 15th, 1930
37
Census, 1930
37
Catalogs
33
Passenger lists
25
Correspondence
16
Census, 6th, 1840
14
Census, 1840
12
Periodicals
12
Census, 1880
10
Census, 10th, 1880
9
Census, 1870
9
Treaties
9
Cases
8
Census, 9th, 1870
8
Census, 1850
7
Census, 1860
7
Bibliographie
6
Census
6
Census, 7th, 1850
6
Census, 8th, 1860
6
Biography
5
Electronic books
5
Surveys
5
Bibliographies
4
Catalogues
4
Handbooks, manuals, etc
4
Trials, litigation, etc
4
Congresses
3
Maps
3
Microformes
3
Statistics, Vital
3
bibliographies
3
Catalog
2
Census, 1885
2
Diaries
2
Directories
2
Naval history
2
Personal narratives
2
Sourses
2
catalogs (documents)
2
more ...