Genre
Indexes
Index
7
Electronic books
5
Maps
4
indexes (reference sources)
4
Bibliographies
2
History
2
Index maps
2
Indexes (reference sources)
2
Periodicals
2
Sources
2
Abstracts
1
Bibliography
1
Codes
1
Concordances
1
Criticism, interpretation, etc
1
Databases
1
Gazetteers
1
Législation
1
Législation
1