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Respublika Latvii v 1919 g. i inostrannaia interventsiia: Dokumenty i materialy. Riga: Izd-vo Akademii Nauk Latviiskoi SSR. pp. 2 v. OCLC 18861284  Zile, Zigurds

“A new symbol of Russia's anti-war movement Meduza explains the origins of the white-blue-white flag”. Meduza (Riga, Latvia: Medusa Project

大西洋協議会 ^ a b North Atlantic Council. "Riga Summit Declaration," 2006-11-29. Retrieved on 2007-10-13 ^ "The new kids on the block," The Economist, 2007-01-04