Maʾavaḳ yehude Polin ʿal zekhuyotehem ha-ezraḥiyot ṿe-ha-leʾumiyot (1918 - 1922) - Netser, Shelomoh (Pirsume Bet-ha-sefer le-madaʿe ha-yahadut ʿa. sh. Ḥayim Rozenberg)