Ducado de Curlandia y Semigalia (1918) (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Ducado de Curlandia y Semigalia (1918)" in Spanish language version.

refsWebsite

Global rank Spanish rank

2books.google.com

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books.google.com

Kevin O'Connor, The History of the Baltic States, page 78, ISBN 0-313-32355-0.
John Hiden, The Baltic States and Weimar Ostpolitik