Crampton, Richard
Atlas of Eastern Europe in the twentieth century
Routledge, 1996
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The atlas of human history the first Europeans: The early peoples of Europe and the rise of Greece and Rome
by Renzo Rossi
Macmillan, 1996
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Directory of UK Universities, Colleges and Schools 2002/2003
The British Council,
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Leonhardt, Rudolf Walter
X-mal deutschland
Munchen : R. Piper & Co Verlag, 1967
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Hellack, Georg
Massenmedien in der bundesrepublik deutschland
Mainz Erasmusdruck 1974
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