Gay Block and Malka Drucker produced the interviews throughout 1987 and 1988 for their book"Rescuers: Portraits of Moral Courage in the Holocaust" Holmes & Meier, 1992, as well as their documentary film"They Risked Their Lives: Rescuers of the Holocaust" The United States Holocaust Memorial Museum Oral History Branch received the tapes of the interviews from Malka Drucker and Gay Block in March 1989.