Genre
Classification
Electronic books
28
Identification
28
Congresses
12
Nomenclature
8
Catalogs and collections
5
Periodicals
5
Dictionaries
4
Bibliography
3
Textbooks
3
Catalogs
2
Early works to 1800
2
Handbooks, manuals, etc
2
Art
1
Atlases
1
Biography
1
Cases
1
Chronology
1
Constitution
1
Early works to 1900
1
Forms
1
Himilaya Mountains
1
Indentification
1
Indexes
1
Nomenclature (Popular)
1
Patents
1
Portraits
1
Pre-Linnean works
1
Programmed instruction
1
Records and correspondence
1
Sources
1
Statistics
1
Surveys
1