by the Nazis. Also in 2003 the exhibition "Value of Life" was opened. See also Action T4 Action 14f13 Further reading Angela Gluck Wood, Holocaust - the events and their impact on real people Foreword by Steven Spielberg. Many photos. DK Publishing (2007) Sources Pierre Serge Choumoff, Les Assassinats Nationaux-Socialistes par Gaz en Territoire Autrichien, Vienna, Bundesministerium für Inneres, 2000, Nazi Medicine and the Nuremberg Trials (PDF) Table of contents, introduction and index only. Eutanasia, le radici dello sterminio References External links Hartheim Castle official site Castles in Upper Austria Museums in Upper Austria History museums in Austria World War II museums Monuments and memorials in Austria Museums established in 2003 Palaces in Austria Tourist attractions in Upper Austria