Genre
Biography
56
Sources
26
Periodicals
24
Congresses
19
Case studies
18
Electronic books
10
History
6
Diaries
5
Textbooks
4
Périodiques
3
Exhibitions
2
Attitudes
1
Bibliography
1
Caricatures and cartoons
1
China
1
Correspondence, reminiscences, etc
1
Dictionaries
1
Drama
1
Fiction
1
Forecasts
1
Great Britain
1
Handbooks, manuals, etc
1
Interviews
1
Personal narratives, American
1
Personal narratives, Polish
1
Records and correspondence
1
Treaties
1