Author
American Jewish Historical Society
8
Jewish Historical Society of Maryland
2
National Museum of American Jewish History (Philadelphia, Pa.)
2
Nebraska Jewish Historical Society
2
Albert Einstein College of Medicine
1
American Jewish Tercentenary Committee
1
Federation of Jewish Agencies of Greater Philadelphia
1
Gratz College
1
Jewish Genealogical Society of Montreal
1
Jewish Historical Society of Greater Washington
1
Jewish Historical Society of MetroWest
1
Jewish Historical Society of New York
1
Lachs, Samuel Tobias
1
Middle East Forum
1
Passow, Isidore David
1
Philadelphia Jewish Archives Center
1
Washington State Jewish Historical Society
1
YIVO Institute for Jewish Research
1
Yidisher ṿisnshafṭlekher insṭiṭuṭ
1