Жанр
Indexes
44
Sources
42
Periodicals
40
Bibliography
25
Microform catalogs
22
Archives
18
Newspapers
18
Catalogs
11
Correspondence
8
Biography
6
History
6
Records and correspondence
6
Abstracts
2
Electronic books
2
Fuentes
2
Indices
2
Statistics
2
Bibliographie
1
Bibliographies
1
Catalogues
1
Congresses
1
Diaries
1
Dictionaries
1
Early works to 1800
1
Facsimiles
1
Index
1
Interviews
1
Microformes
1
Périodiques
1
Union lists
1
indexes (reference sources)
1