Author
United States Bureau of the Census
234
Pennsylvania State Emergency Relief Board. Department of Research and Statistics
65
Philadelphia City Planning Commission
31
United States Bureau of Labor Statistics
29
Pennsylvania State Data Center
28
Pennsylvania Office of Employment Security
22
Cash, Caleb
21
Christ Church (Philadelphia, Pa.)
20
United States Employment and Training Administration
20
United Churches of Christ-Church and St. Peter's (Philadelphia, Pa.)
19
Inspectors of the Eastern State Penitentiary (Pa.)
18
Pennsylvania General Assembly. Joint State Government Commission
18
Delaware Valley Regional Planning Commission
17
Pennsylvania General Assembly
17
Pennsylvania Health Data Center
17
Pennsylvania Department of Health
16
Pennsylvania General Assembly. Senate
16
Pennsylvania Bureau of Employment Security. Research and Statistics Division
12
Pennsylvania Economy League Eastern Division
12
Whitehead, Matthew
12
Center for Rural Pennsylvania
11
Pennsylvania Bureau of Employment and Unemployment Compensation. Research and Statistics Section
11
Pennsylvania Department of Labor and Industry
10
Pennsylvania Board of Parole
9
Pennsylvania Governor's Committee on Education
9
United States Bureau of the Census. Population Division
9
Bacon, Benjamin C
8
Pennsylvania Crop Reporting Service
8
Pennsylvania Office of Employment Security. Research and Statistics Division
8
Pennsylvania Society for Promoting the Abolition of Slavery Board of Education
8
Warne, Alice E., 1916-
8
De Jong, Gordon F
7
Pennsylvania Department of Education
7
Pennsylvania Office of the Auditor General
7
Pierce, Helen M
7
Shoemaker, Abraham
7
Taylor, Richard C (Richard Cowling), 1789-1851
7
U.S. Census Bureau
7
Geological Survey (U.S.)
6
Pennsylvania Bureau of Employment Security
6
Pennsylvania Department of Internal Affairs. Bureau of Statistics
6
Philadelphia (Pa.) Board of Health
6
Swain, Abell & Simmons
6
United States Bureau of the Census. Housing Division
6
Waring, William, -1793
6
Waring, William, d. 1793
6
Adam Matthew Digital (Firm)
5
Cornwell, Gretchen T
5
Hutchins, Thomas, 1730-1789
5
Kennedy, Patrick
5
more ...