Emanuel Ringelblum was a Polish-Jewish historian, politician and social worker, known for his "Notes from the Warsaw Ghetto", "Notes on the Refugees in Zbąszyn" chronicling the deportation of Jews from the town of Zbąszyn, and the so-called Ringelblum's Archives of the Warsaw Ghetto. Wikipedia
...Ringelblum Milk Can The most comprehensive effort to document ghetto life was undertaken in the Warsaw ghetto by a group of several dozen writers, ... www.jewishvirtuallibrary.org/jsource/Holocaust/Ringelblum...
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