President of East Germany (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "President of East Germany" in English language version.

refsWebsite

Global rank English rank

1books.google.com

3^rd place

3^rd place

2,712^th place

3,854^th place

books.google.com

Cook, Bernard A. (2001). Europe Since 1945: An Encyclopedia. Taylor & Francis. p. 1284. ISBN 9780815340584.

dhm.de

Wilhelm Pieck timeline Retrieved 10 June 2010 (in German)