Genre
Periodicals
73
Early works to 1800
54
Electronic books
48
Sources
22
Statistics
17
Congresses
10
Indexes
4
Census
3
Census, 1860
3
Charters
3
Electronic book
3
Registers
3
Broadsides
2
Correspondence
2
Newspapers
2
Bibliography
1
Catalogs
1
Census, 1850
1
Charters, grants, privileges
1
Constitution
1
Digests
1
Drama
1
Electronic journals
1
Handbooks, manuals, etc
1
Librettos
1
Lists
1
Pictorial works
1
Poetry
1
Private bills
1
Surveys
1
Treaties
1
Trials, litigation, etc.,
1