Genre
Sources
80
Archives
75
Periodicals
13
Congresses
9
Personal narratives, British
5
Biography
4
Diaries
4
Statistics
4
Case studies
2
Posters
2
Public opinion
2
Atlases
1
Constitution
1
Correspondence
1
Cross-cultural studies
1
Exhibitions
1
Pictorial works
1
Poetry
1
Terms and phrases
1
Use studies
1