E. Szafarz, "The Legal Framework for Political Cooperation in Europe" in The Changing Political Structure of Europe: Aspects of International Law, Martinus Nijhoff Publishers. (ISBN0-7923-1379-8). p.221.
Christoph Bergner, Secretary of State in Germany's Bureau for Inner Affairs, outlines the stance of the respective governmental institutions in Deutschlandfunk on 29 November 2006, [4]
Arie Marcelo Kacowicz, Pawel Lutomski, Population resettlement in international conflicts: a comparative study, Lexington Books, 2007, p.100, (ISBN0-7391-1607-X): "...largest movement of any European people in modern history" [1]
Detlef Brandes, Der Weg zur Vertreibung 1938–1945: Pläne und Entscheidungen zum "Transfer" der Deutschen aus der Tschechoslowakei und aus Polen, Oldenbourg Wissenschaftsverlag, 2005, pp.398ff, (ISBN3-486-56731-4) [2]
Klaus Rehbein, Die westdeutsche Oder/Neisse-Debatte: Hintergründe, Prozess und Ende des Bonner Tabus, LIT Verlag Berlin-Hamburg-Münster, 2005, pp.19,20, (ISBN3-8258-9340-5) [3]