Who was the editor of XXX?
Leksikon fun yidishn teater
Leksikon fun yidishn teater (לעקסיקאן פון יידישן טעאטער Lexicon of Yiddish Theatre) is a Yiddish language reference encyclopedia compiled by Zalmen Zylbercweig assisted later by Jacob Mestel.
Zalmen Zylbercweig