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Bibliography
127
Indexes
127
Sources
93
Archives
73
Catalogs
68
Microform catalogs
68
Periodicals
37
Records and correspondence
27
Biography
12
Correspondence
10
Electronic books
10
Genealogy
10
History
9
Registers
8
Abstracts
6
Passenger lists
5
Directories
4
Statistics
4
Textbooks
4
Treaties
4
Bibliographies
3
Catalogues
3
Diaries
3
Newspapers
3
Bibliographie
2
Catalog
2
Constitution
2
Fuentes
2
Indices
2
Microformes
2
Statistics, Vital
2
bibliographies
2
catalogs (documents)
2
Anecdotes
1
Cases
1
Census
1
Congresses
1
Dictionaries
1
Early works to 1800
1
Index
1
Interviews
1
Maps
1
indexes (reference sources)
1