Genre
Sources
364
Records and correspondence
95
Indexes
57
Genealogy
52
Registers
51
Archives
37
Statistics
29
Passenger lists
22
History
21
Census, 6th, 1840
10
Correspondence
10
Catalogs
9
Census, 1840
9
Cases
7
Treaties
7
Census, 10th, 1880
5
Census, 1880
5
Bibliography
4
Surveys
4
Census, 1870
3
Census, 9th, 1870
3
Trials, litigation, etc
3
Census
2
Census, 1850
2
Census, 1885
2
Census, 7th, 1850
2
Congresses
2
Microform catalogs
2
Personal narratives
2
Biography
1
Census, 1860
1
Census, 8th, 1860
1
Diaries
1
Directories
1
Lists of vessels
1
Records and Correspondence
1
Sourses
1
Statistics, Vital
1