Genre
Handbooks and manuals
29
Amateurs' manuals
25
Congresses
20
Conference papers and proceedings
18
Handbooks, manuals, etc
12
Legislative hearings
8
Legislative materials
8
Documentary films
3
History
3
Periodicals
2
Academic theses
1
Case studies
1
Encyclopedias
1
Environmental films
1
Feature films
1
Guides et manuels
1
Handbook
1
Internet resources
1
Juvenile literature
1
Juvenile works
1
Laboratory manuals
1
Legislative histories
1
Miscellana
1
Miscellanea
1
Nonfiction films
1
Pictorial works
1
Popular works
1