Genre
Congresses
143
Periodicals
66
Pictorial works
9
Statistics
9
Sources
8
Case studies
7
Biography
6
Handbooks, manuals, etc
6
Bibliography
5
Textbooks
2
Archives
1
Diaries
1
Directories
1
Electronic books
1
Exhibitions
1
Life skills guides
1
Newspapers
1
Posters
1
Records and correspondence
1
periodicals
1