Genre
Electronic books
19
Handbooks, manuals, etc
19
Congresses
14
Problems, exercises, etc
6
Periodicals
4
Case studies
3
Handbooks and manuals
3
Rules
3
Specimens
3
Government publications
2
Statistics
2
Bibliographies
1
Biography
1
Code words
1
Dictionaries
1
Electronic book
1
Guides, manuels, etc
1
Humor
1
Manuals (Handbooks)
1
Periodical publications.- Boston, Massachusetts
1
Programmed instruction
1
Tables
1
Terminology
1