Title: Ṿeʻidat ha-yesod ṿeha-ṿeʻidah ha-sheniyah shel Histadrut ha-ʻovdim ha-leʼumit
Subjects: Sources, Histadrut ha-ʻovdim ha-leʼumit be-Yiśraʼel, Congresses, Labor unions, History