Gatunek
Case studies
15
Biography
10
Congresses
10
Periodicals
9
Handbooks, manuals, etc
7
Priodiques
4
Problems, exercises, etc
4
Statistics
4
Charts, diagrams, etc
3
Cross-cultural studies
2
Dictionaries
2
Genealogy
2
Périodiques
2
Census
1
Directories
1
Encyclopedias
1
Fiction
1
History
1
Humor
1
Interviews
1
Life skills guides
1
Miscellanea
1
Pictorial works
1
Popular works
1
Statistiques
1
Textbooks
1