ジャンル
Congresses
158
Electronic books
37
Periodicals
34
Exhibitions
19
Sources
9
Bibliography
6
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