Genre
Periodicals
217
Early works to 1800
138
Electronic books
131
Périodiques
76
Electronic journals
67
History
54
Biography
53
Biographies
47
Periodical
46
Congresses
36
Laboratory manuals
34
Problems, exercises, etc
32
Problems and exercises
28
Popular works
27
Conference papers and proceedings
26
Textbooks
26
Computer network resources
19
Miscellanea
19
Handbooks and manuals
16
Handbooks, manuals, etc
15
Trivia and miscellanea
14
Zeitschrift
13
Dictionaries
11
Bibliographies
9
Bibliography
8
Festschriften
8
Tables
8
Tables (Data)
8
periodicals
8
Broadsides
6
Abstracts
5
Academic dissertations
5
Catalogs
4
Criticism, interpretation, etc
4
Juvenile literature
4
Outlines, syllabi, etc
4
Revistes electròniques
4
Sources
4
Outlines and syllabi
3
Programmed instruction
3
Programmed instructional materials
3
Aufgabensammlung
2
Autobiographies
2
Case studies
2
Correspondence
2
Early works
2
Essays
2
Examinations, questions, etc
2
Fiction
2
Formulae
2
more ...