Title: Yanush Korts'ak (Sifriyat tarmil)
Subjects: Friends and associates, Jews, Biography, Educators, Korczak, Janusz, -- 1878-1942, Korczak, Janusz, -- 1878-1942 -- Friends and associates, Ṿingarṭen, Yeraḥmiʼel, -- 1902-1982 -- Friends and associates, Educators -- Poland -- Biography, Jews -- Poland -- Biography