Author
Boucher, Jack E.
1
Densmore, Christopher
1
Elliott, Joseph
1
Gray, Carol Ann
1
Historic American Buildings Survey
1
Lavoie, Catherine C.
1
Marcy Sciopticon Company (Philadelphia, Pa.)
1
Pancoast, Charles R., 1858-
1
Philadelphia Yearly Meeting of the Religious Society of Friends
1
Quaker Information Center
1
Williams, Brown & Earle (Philadelphia, Pa.)
1