ジャンル
Periodicals
121
Statistics
40
Exhibitions
22
Congresses
11
Directories
8
Case studies
6
Catalogs
6
Sources
6
Biography
4
Census, 1850
3
Census, 1860
3
Census, 1870
3
Census, 7th, 1850
3
Census, 8th, 1860
3
Census, 9th, 1870
3
Early works to 1800
3
Bibliography
2
Census, 10th, 1880
2
Census, 1880
2
Archives
1
Dictionaries
1
Genealogy
1
Guidebooks
1
History
1
Maps
1
Pictorial works
1
Pre-Linnean works
1
Telephone directories
1
Yellow pages
1