Genre
Indexes
Periodicals
20
Bibliography
18
Bibliographies
6
Databases
4
History
4
Dictionaries
3
Periodical
3
Bibliographies (form)
2
Biography
2
Electronic reference sources
2
Imprints
2
Index
2
Sources
2
Abstracts
1
Catalogs
1
Concordances
1
Conference papers and proceedings
1
Conference papers and proceedings
1
Congresses
1
Criticism, interpretation, etc
1
Microform catalogs
1
Newspapers
1
Online databases
1
Papyri, Demotic
1
Poetry
1
Reviews
1
Statistics
1
Texts
1
Union catalogs
1
bibliographies
1