found: His Eyewitness Auschwitz, 1979:t.p. (Filip Müller) cover (b. 1922 in Sered, Czechoslovakia)
found: Encyclopedia of Holocaust literature, 2002:pages 129-130 (Filip Müller, dates unknown. His memoir titled "Auschwitz Inferno: the testimony of a Sonderkommando" was also published under the title "Eyewitness Auschwitz: three years in the gas chambers" is the work of the only member of the Auschwitz Sonderkommando to survive to tell his story. Müller arrived in Auschwitz with the first transport of Slovak Jews on April 20, 1942, and in May of that year he was sent to work in the gas chambers, removing the bodies of the murdered from the ovens. Marched in the Death March evacuating Auschwitz on January 18, 1945.)
found: Wikipedia, viewed June 8, 2023:under "Filip Müller" ( born January 3, 1922, died November 9, 2013. Born in Sered, Czechoslovak Republic, died in Mannheim, Baden-Wurttemberg.)