Strenker: Gisela helped mail leaflets

On Tuesday, February 16, 1943, she [Gisela Schertling] and Sophie Scholl placed a larger number (around 50) [of these leaflets] in a mailbox belonging to the Reichspost at the corner of Franz Josef Str. and Leopold Str.

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Source: Strenker’s memorandum dated April 5, 1943