Author
Philadelphia Museum of Art
2
Schwarz Philadelphia (Gallery)
2
Bailey & Company (Philadelphia, Pa.)
1
Chew, Paul A.
1
Dickson, Harold E., 1900-
1
Frank S. Schwarz & Son
1
Garvan, Anthony N. B.
1
Hetzel, George, 1826-1899
1
Pennsylvania State University. Museum of Art
1
Schwarz, Robert Devlin
1
Sutton, Peter C.
1
Westmoreland Museum of Art
1