Author
New Jersey State Museum
4
Gröschl, Jürgen
3
Haase, Yorck Alexander
3
Herzog August Bibliothek
3
Jantz, Harold Stein, 1907-1987
3
Müller-Bahlke, Thomas J.
3
Newberry Library
3
Veltmann, Claus
3
Williams, Lorraine E.
3
Barons, Richard I.
2
Broome County Historical Society
2
Princeton University. Library
2
Roberson Center for the Arts and Sciences
2
University of Delaware. Library
2
University of Pennsylvania. Hospital
2
Yela, Gary E.
2
American Swedish Historical Museum (Philadelphia, Pa.)
1
Art Club of Philadelphia
1
Art Institute of Chicago
1
Atwater Kent Museum
1
Free Library of Philadelphia
1
Gross, Sandra
1
Hümmerich, Albert
1
Likos, Patricia
1
National Portrait Gallery (Smithsonian Institution)
1
Pennsylvania Academy of the Fine Arts
1
Philobiblon Club
1
Pittsburgh Architectural Club
1
Princeton University Library
1
Roberts, Jeffrey P.
1
Rosenbach, A. S. W. 1876-1952
1
Siokalo, Zoriana E.
1
Solmssen, Clarissa
1
Trimarco, Vito
1