Title: ʻAvodat ha-hoṿeh, eḳsḳluziviyut Erets Yiśreʼelit u-maʼavaḳim tsiburiyim bi-tenuʻat "ha-Shomer-ha-tsaʻir" be-Polin, 1913-1939
Subjects: Histadrut "ha-Shomer ha-tsaʻir" be-Polanyah