Genre
Handbooks, manuals, etc
Electronic books
16
Handbooks and manuals
10
Periodicals
4
Popular works
4
Registers
3
Statistics
3
Guides, manuels, etc
2
Rules and practice
2
Biography
1
Electronic journals
1
Guides et manuels
1
History
1
Non-commissioned officers' handbooks
1
Outlines, syllabi, etc
1
Rules
1
Style manuals
1
Terminology
1
Textbooks
1
handbooks
1
manuals (instructional materials)
1