Letter sent by Mordechai Tenenbaum-Tamaroff from Bialystok to his sister, Tamar, in Eretz Israel regarding his experiences in Warsaw, February 1943 Life in the Warsaw Ghetto; deportation of their mother to Treblinka on the tenth day of an "Aktion" in Warsaw; deportation of friends to Treblinka; life outside the ghetto as a Jewish underground activist; cooperation with the Polska Partia Robotnicza (PPR- Polish Communist Workers' Party) including obtaining weapons and combat together with the partisans; the murder process in the gas chambers in Treblinka; rescue of his girlfriend Tamar (Tema) Schneiderman by the underground; Tema's activities as a courier between the Cherut movement in Lithuania and the Dror movement in Ukraine; Tema's activities as a courier on the Aryan side after the establishment of the ghetto; Tema's move to Warsaw in order to help the Jews obtain food; Tema's death in Warsaw; the Warsaw Ghetto Uprising; mention of names such as Itzhak Katzenelson and Yitzhak and Zivia (Lubetkin) Zuckerman; information regarding the Treblinka extermination camp. Note: Copy of the original material dug up from deep in the ground and taken out of the ghetto.