 From 1950 to 1953 the institute operated a Gallery of Jewish Art, with Sandel serving as director.Sandel subsequently devoted himself to the writing of several art historical works concerning Jewish artists in Poland.Among his works, all written in Yiddish, is a two-volume biographical reference work on Jewish artists who perished in the Holocaust, "Umgekumene yidishe kinstler in Poylen" (Jewish artists in Poland who perished; Warsaw, 1957).