Genre
Congresses
990
Periodicals
425
Problems, exercises, etc
97
Textbooks
70
Handbooks, manuals, etc
42
Dictionaries
19
Biography
18
Electronic books
16
Formulae
15
Tables
11
Encyclopedias
10
Case studies
8
Bibliography
7
Popular works
6
Study guides
6
Fiction
5
Mathematical models
4
Miscellanea
3
Statistics
3
Abstracts
2
Examinations, questions, etc
2
Juvenile literature
2
Pictorial works
2
Programmed instruction
2
Anecdotes
1
Comic books, strips, etc
1
Congesses
1
Congres
1
Data processing
1
Designs and plans
1
Drama
1
Early works to 1800
1
Ebooks
1
Electronic book
1
Exhibitions
1
Handbooks, manuals etc
1
Humor
1
Indexes
1
Interviews
1
Outlines, syllabi, etc
1
Sources
1
Terminology
1