Author
Philadelphia Record
4
Philadelphia (Pa.). Councils. Watering Committee
3
Fernon, Thomas S. 1818-1896
2
Miller, Edward
2
North Pennsylvania Railroad Company
2
Philadelphia (Pa.). Councils
2
Trautwine, John C. 1810-1883
2
American Society for Testing Materials
1
Bailey, Lydia R., 1779-1869
1
Birkinbine, Henry P. M.
1
Boggs, Benj. R. (Benjamin Randolph)
1
Dwyer family
1
Engineers Club of Philadelphia
1
Fire Department of Philadelphia
1
Gordon, George F.
1
Graff, Frederick, 1817-1890
1
Heisey, Martin Luther, 1881-1964
1
Kneass family
1
Lehigh Coal and Navigation Co
1
Lewis, Joseph S., 1778-1836
1
McNair, James Birtley, 1889-
1
Miller, Benjamin R.
1
North Branch, pseud
1
Parry, George T.
1
Philadelphia (Pa.) Watering Committee
1
Philadelphia (Pa.). Councils. Committee on Trusts and Fire Department
1
Philadelphia City Planning Commission
1
Philadelphia Water Department
1
Schimpf, Scott
1
Simpson & Curtin, Inc
1
The Water Works (Philadelphia)
1
Walter, Thomas Ustick, 1804-1887
1
Wetherill, John Price 1844-1906
1
Wilson, Joseph M. 1838-1902
1
YA Pamphlet Collection (Library of Congress)
1