Genre
Statistics, Vital
74
Statistics
73
Periodicals
20
Statistics, Medical
15
Tables
11
Genealogy
10
Congresses
9
Census, 1880
8
Census, 10th, 1880
7
Census, 1870
6
Census, 1850
5
Census, 1860
5
Census, 9th, 1870
5
Census, 7th, 1850
4
Census, 8th, 1860
4
Sources
4
Academic Dissertations
3
Case studies
3
Census, 1901
1
Census, 1921
1
Census, 2001
1
Census, 4th, 1911
1
Longitudinal studies
1
Registers
1