Genre
Video recordings
41
Internet videos
40
Periodicals
15
Handbooks and manuals
9
Statistics
4
Conference papers and proceedings
3
Bibliographies
2
Case studies
2
Biographies
1
Congresses
1
Dictionaries
1
Educational films
1
Legislative hearings
1
Legislative materials
1
Longitudinal studies
1
Trivia and miscellanea
1