Genre
Correspondence
6
Statistics
6
Congresses
5
Early works to 1800
5
Handbooks, manuals, etc
4
Periodicals
4
Biography
2
Maps
2
Pictorial works
2
Case studies
1
Chronology
1
Controversial literature
1
Dictionaries
1
Directories
1
Fiction
1
Juvenile fiction
1
Poetry
1
Sources
1
Specimens
1
Statistics, Vital
1