Genre
Electronic books
799
Biography
23
Problems, exercises, etc
21
Popular works
18
Handbooks, manuals, etc
17
Libros electrónicos
15
Congresses
13
Libros electrónicos
12
Laboratory manuals
8
Textbooks
8
Conference papers and proceedings
5
Biographies
4
Miscellanea
4
Early works to 1800
3
Examinations, questions, etc
3
Juvenile literature
3
Problems and exercises
3
Software
3
Catalogs
2
Classification
2
Dictionaries
2
Handbooks and manuals
2
Identification
2
Laboratory manual
2
Periodicals
2
Pictorial works
2
Amateurs' manuals
1
Case studies
1
Correspondence
1
Diaries
1
Exhibition catalogs
1
Exhibitions
1
Experiments
1
Exploration
1
Facsimiles
1
Fiction
1
Humor
1
Manuales de laboratorio
1
Manuales, etc
1
Notebooks, sketchbooks, etc
1
Périodiques
1
Pre-Linnean works
1
Tables
1
Terminology
1
Textbook
1
Travel writing
1