Includes: lectures and essays (concerning bioenergetics processes, problems of nuclear energy, and the history of natural sciences), speeches, opinions; large amounts of scientific correspondence, among those correspondence with archives. Resumes, written indices, documents concerning his activities in exile in Great Britain, and concerning his university career; materials concerning his activities as President of the Alliance of Austrian Scientists, collections of materials about the planned power plant in Wachau; extensive collection of printed records and foreign special publications.