Emanuel Ringelblum was Jewish historian, chronicler of Warsaw Ghetto
photographer unknown / uploader <a href="//commons.wikimedia.org/wiki/User:Koperczak" title="User:Koperczak">Koperczak</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Koperczak" title="User talk:Koperczak"><span class="signature-talk">talk</span></a>) 13:34, 16 March 2009 (UTC)
Unknown date<div style="display: none;">Unknown date</div>
scanned from "Kronika getta warszawskiego" Czytelnik, Warsaw 1983