Genre
Electronic books
15
Miscellanea
9
Congresses
7
Lectures
7
Nonfiction films
7
Popular works
4
Readers for new literates
2
Controversial literature
1
Documentary films
1
Early works to 1800
1
Instructional and educational works
1
Periodicals
1
Pre-Linnean works
1
Quotations
1
Quotations, maxims, etc
1
Short films
1
Television news programs
1