Genre
Sources
12
Messages
10
History
4
Press conferences
4
Biography
2
Government publications
2
Bibliographie
1
Bibliographies
1
Bibliography
1
Case studies
1
Conference papers and proceedings
1
Congress
1
Congresses
1
Exhbitions
1
Exhibitions
1
Inaugural addresses
1
Interviews
1
Military history
1
Textbooks
1
bibliographies
1