Majority of East Germans Oppose Reunification, Poll Shows With AM-East Germany, Bjt. AP NEWS [online]. [cit. 2020-03-29]. Dostupné online.
independent.co.uk
Margaret Thatcher's fears over domination of unified Germany revealed. The Independent [online]. 2016-12-30 [cit. 2020-03-29]. Dostupné online. (anglicky)