Genre
Sources
474
Records and correspondence
107
Indexes
65
Genealogy
60
Bibliography
55
Registers
55
Microform catalogs
43
Archives
39
History
23
Passenger lists
23
Statistics
23
Catalogs
21
Correspondence
11
Cases
7
Treaties
7
Census, 1850
6
Census, 1860
6
Census, 1870
6
Census, 6th, 1840
5
Census, 7th, 1850
5
Census, 8th, 1860
5
Census, 9th, 1870
5
Surveys
5
Bibliographie
4
Biography
4
Census
4
Census, 1880
4
Handbooks, manuals, etc
4
Bibliographies
3
Catalogues
3
Census, 10th, 1880
3
Census, 1840
3
Microformes
3
Trials, litigation, etc
3
Catalog
2
Congresses
2
Electronic books
2
Maps
2
Naval history
2
Periodicals
2
Statistics, Vital
2
bibliographies
2
catalogs (documents)
2
Census, 1885
1
Diaries
1
Directories
1
Electronic journals
1
Film catalogs
1
Lists
1
Lists of vessels
1
more ...