Author
Greater Philadelphia Cultural Alliance
5
Art-Union of Philadelphia
4
Pennsylvania Academy of the Fine Arts
4
Art Club of Philadelphia
3
American Latvian Association in the United States
2
Bliss, George, 1830-1897
2
Cross, Charles R. 1848-1921
2
Delaware State Arts Council Office of the Arts
2
Kneeland, Samuel, 1821-1888
2
Latviešu institūts
2
Nichols, Wm. Ripley 1847-1886
2
Pennsylvania Council on the Arts
2
Philadelphia Museum of Art
2
Sotheby's (Firm)
2
Trowbridge, John, 1843-1923
2
Wells, David A. 1828-1898
2
Allentown Art Museum
1
American Federation of Arts
1
American Institute for Conservation of Historic and Artistic Works
1
Art Commission of the City of New York
1
Art Institute of Chicago
1
Art Libraries Society of North America
1
Art Libraries Society of North America. Conference
1
Artists Equity Association, Inc Philadelphia Chapter
1
Arts & Business Council of Great Philadelphia
1
Arts Alliance of Bucks County
1
Beck, Carol H.
1
Boswell, Peyton
1
Bucks County Council on the Arts
1
Business Volunteers for the Arts
1
California Art Research Project
1
Conran Octopus Limited
1
Delaware State Arts Council
1
Drexel Institute of Technology
1
Emanuel, Muriel
1
Fairmount Park Commission (Philadelphia, Pa.)
1
Flint, Ralph
1
Frank S. Schwarz & Son (Philadelphia)
1
Fulton, Deoch
1
Gale Research Company
1
Gallery Night Providence
1
Guptill, Arthur L. 1891-1956
1
Halley, Gene
1
Hamerton, Philip Gilbert, 1834-1894
1
Hyde, James Clarence
1
Illinois Arts Council
1
International House (Philadelphia, Pa.)
1
International Studio, Inc
1
Jacobsen, Anita
1
Kennedy Galleries
1
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