Genre
Sources
Archives
71
Electronic books
50
Textbooks
44
Records and correspondence
41
History
29
Genealogy
12
Bibliography
11
Broadsides
11
Correspondence
11
Biography
10
Indexes
9
Microform catalogs
9
Registers
8
Catalogs
6
Census, 1850
4
Census, 1860
4
Census, 1870
4
Census, 7th, 1850
4
Census, 8th, 1860
4
Census, 9th, 1870
4
Treaties
4
Census, 10th, 1880
3
Census, 1880
3
Early works to 1800
3
Passenger lists
3
Bibliographies
2
Biographies
2
Digests
2
Juvenile literature
2
Manuscripts
2
Periodicals
2
Surveys
2
Bibliographie
1
Catalogues
1
Census, 12th, 1900
1
Census, 1900
1
Congresses
1
Diaries
1
Order-books
1
Personal narratives
1
Pictorial works
1
bibliographies
1