Genre
Sources
Electronic books
64
Periodicals
36
Correspondence
14
Broadsides
10
Archives
8
History
7
Early works to 1800
5
Handbooks, manuals, etc
4
Microform catalogs
4
Indexes
3
Newspapers
3
Constitution
2
Fuentes
2
Messages
2
Biografía
1
Biographies
1
Biography
1
Congresses
1
Dictionaries
1
Electronic book
1
Genealogy
1
Journaux
1
Législation
1
Périodiques
1
Records and correspondence
1
Registers
1
Statistics
1
Treaties
1
newspapers
1