Genre
Congresses
168
Electronic books
38
Periodicals
34
Exhibitions
20
Sources
10
Bibliography
7
Conference papers and proceedings
5
Statistics
5
Early works to 1800
4
Census, 1860
3
Catalogs
2
Census
2
Congrès
2
Designs and plans
2
Bibliographies
1
Biography
1
Broadsides
1
Catalog
1
Catalogs and collections
1
Chronology
1
Collections
1
Constitution
1
Imprints
1
Periodical
1
Union lists
1