Author
Hopkins, Griffith Morgan, Jr
4
Smith, Elvino V., 1870-1932
4
Baist, G. Wm. 1859-1927
3
A.H. Mueller & Co
2
Kiser, Ellis
2
Philadelphia Transportation Company
2
Southeastern Pennsylvania Transportation Authority
2
ADC (Firm)
1
Frank H.M. Klinge (Firm)
1
Franklin Survey Co
1
Franklin Survey Company
1
Franklin Survey Company,
1
G.M. Hopkins & Co
1
George William Baist (Publisher)
1
Hartranft, Rufus C.
1
Heilprin, Angelo, 1853-1907
1
Hopkins, J. M.
1
Klinge, Frank H. M.
1
Lathrop, J. M.
1
Mueller, A. H.
1
Potts, C. A.
1
Rand McNally and Company
1
Simulation Systems Inc
1
Smith, J.L.
1
Tanner, Henry Schenck, 1786-1858
1
Taylor, Frank H. 1846-1927
1
United States. Bureau of the Census
1
Volk, Albert
1