He contributed to and edited Der Yunger Historikes from 1926 to 1929, Bleter far Geshicte from 1934 to 1939, the YIVO yearbooks, Der Virtshaftliche Lebn, and Fraie Yungt. He also headed the Jewish Workers Educational Society in Poland (Geselshaft Ovent Kursn far Arbeter) until 1931, when the Polish government dissolved it.[3]