Author
Philadelphia Museum of Art
191
Philadelphia City Planning Commission
66
Pennsylvania Academy of the Fine Arts
65
University of Pennsylvania Institute of Contemporary Art
33
Allentown Art Museum
23
Carnegie Museum of Art
22
Pennsylvania
22
Philadelphia Neighborhoods Project Collection (University of Pennsylvania)
22
Fairmount Park Art Association
19
Metropolitan Museum of Art (New York, N.Y.)
17
Barnes Foundation
16
Carnegie Institute Museum of Art
16
Philadelphia (Pa.) Redevelopment Authority
16
Pittsburgh History & Landmarks Foundation
16
Borowsky Center for Publication Arts
13
Fairmount Park Commission (Philadelphia, Pa.)
13
Mural Arts Program (Philadelphia, Pa.)
13
Woodmere Art Museum
13
Wright, Frank Lloyd, 1867-1959
13
Athenaeum of Philadelphia
12
Downs, Joseph
12
National Gallery of Art (U.S.)
12
Percy, Ann
12
Samuel T. Freeman & Co
12
Palmer Museum of Art (Pennsylvania State University)
11
Pennsylvania Dept. of Welfare
11
American Institute of Architects Philadelphia Chapter
10
Bird & Bull Press
10
James A. Michener Art Museum
10
Morris, Henry, 1925-2019
10
Prime, Alfred Coxe, 1883-1926
10
Smidt Family Modern and Contemporary Art Collection Fund
10
Thomas, George E
10
University of Pennsylvania University Museum
10
Van Trump, James D (James Denholm), 1908-1995
10
Chew, Paul A
9
Citizens Committee on City Plan of Pittsburgh
9
Frank S. Schwarz & Son
9
Gallery, John Andrew
9
Gotham Book Mart Collection (University of Pennsylvania)
9
Henry Francis du Pont Winterthur Museum
9
John G. Johnson Collection (Philadelphia, Pa.)
9
Pennsylvania Guild of Craftsmen
9
Pennsylvania State University Museum of Art
9
Pittsburgh Regional Planning Association
9
University of the Arts (Philadelphia, Pa.)
9
Artists' Fund Society of Philadelphia
8
Brandywine River Museum
8
Dubbeldam, Winka
8
Garvan, Beatrice B
8
more ...