^L. Landsberger, A. de Haas & K. Selowsky: Auschwitz . 's–Gravenhage, Nederlandsche Roode Kruis, 1947-1953: “All men transported in November 1943 are thought to have died in the neighbourhood of Auschwitz/Birkenau or the mining area of Janina and Furstengrube, not before 7 Dec. 1943 and not after 31 March 1944. If a date of death is unknown, the latest day is used of the month in which somebody was seen alive.”