Author
Albrecht, Otto E. 1899-1984
1
Anderson, Marian, 1897-1993
1
Arnold, Lee, 1959- Dr
1
Barnett, George J.
1
Feinstein, Martin
1
Hellman, Lillian, 1905-1984,
1
Historical Society of Pennsylvania
1
Hurok, Sol, 1888-1974
1
Sims-Wood, Janet L., 1945-
1
University of Pennsylvania. Library
1
Vehanen, Kosti, 1887-1957
1
Westlake, Neda M.
1