RING. I I. Oneg Shabat records – call no. 1-4. II. General studies on the situation of the Jewish population during the war: 1. Plans and drafts of works, questionnaires – call no. 5-22. 2. Oneg Shabat bulletins – call no. 23-38. 3. Studies, scholarly works, reports – call no. 39-70. 4. Autonomous collections: – the “Kalisz letters” – call no. 71-163, – the “Płock letters” – call no. 164-178. III. ...

Zivia (Celina) Lubetkin, born in 1914 in Byten, Poland. She was a member of the leadership of the Dror youth movement, among the organizers of the pioneering underground in occupied Poland, among the founders of the Jewish Fighting Organization and a member of its Headquarters, a representative of her movement to the Jewish National Committee and the underground's Coordination Committee of the Warsaw ...