Frieda Langer Lazarus Collected Papers, SCPC-CDG-A-Lazarus, Frieda Langer. Swarthmore College Peace Collection.
Frieda Langer Lazarus Collected Papers, SCPC-CDG-A-Lazarus, Frieda Langer. Swarthmore College Peace Collection. https://archives.tricolib.brynmawr.edu//repositories/8/resources/8269 Accessed April 19, 2024.
