Genre
Electronic books
67
Periodicals
61
Charters
12
Sources
9
Rules and practice
7
Statistics
7
Directories
6
Early works to 1800
6
Congresses
3
Census
2
Constitution
2
Designs and plans
2
Inaugural addresses
2
Registers
2
Resolutions
2
Catalogs
1
Electronic book
1
Messages
1
Newspapers
1
Online resources
1
Personal narratives
1
Périodiques
1
Surveys
1