he was in the 'Hotel Polski'. Palestinian documents. After the war in Israel.
He had his office in the 'Hotel Polski, he was in charge of registration on the so-called Palestinian list.
Rolnik, Ella; Testimony, Yad Vashem Archives
Rufeisen-Schuepper, Helena; Pozegnanie Milej 18. Wspomnienia laczniczki Zydowskiej Organizacji Bojowej (A Farewell in Mila Street No. 18. Memoirs of a Messenger of the Jewish Fighting Organisation)