Genre
Periodicals
75
Observations
70
Congresses
26
Maps
18
Statistics
15
Charts, diagrams, etc
10
Tables
6
Périodiques
4
Academic Dissertation
2
Electronic books
2
periodicals
2
Aufsatzsammlung
1
Bibliography
1
Chronology
1
Fulltext
1
Internet Resource
1
Lectures
1
Periodical
1
Statistics, Medical
1
Statistics, Vital
1
Surveys
1