home.arcor.de. [zarchiwizowane z tego adresu (2015-04-04)].. Peace TreatyofVersailles, Articles 31–117, Political Clauses for Europe and Annexes. [dostęp
Holland Thompson: The World's greatest war from the outbreak of the war to the TreatyofVersailles. New York: Grolier, 1920, s. 243-244. (ang.). Ege 1973 ↓