They were published as Schrimm – Memories from Our Youth (transl. Werner S. Zimmt) in Issue 25 of the journal "Stammbaum", published edited by the Leo Baeck Institute in New York City, the text of the memories is available at [2][permanent dead link]
spiegel.de
See an article by Julius H. Schoeps, "Die Szene war schauervoll", in: Spiegel spezial, Issue 2/1993, 1000 Jahre Potsdam, [1]