Ziemele, Ineta (2003). "State Continuity, Succession and Responsibility: Reparations to the Baltic States and their Peoples?". Baltic Yearbook of International Law. Martinus Nijhoff. 3: 165–190. doi:10.1163/221158903x00072.
Davies, Norman (2001). Dear, Ian (บ.ก.). The Oxford companion to World War II. Michael Richard Daniell Foot. Oxford University Press. p.85. ISBN978-0-19-860446-4.
Feldbrugge, Ferdinand; Gerard Pieter van den Berg; William B. Simons (1985). Encyclopedia of Soviet law. BRILL. p.461. ISBN90-247-3075-9. On March 26, 1949, the US Department of State issued a circular letter stating that the Baltic countries were still independent nations with their own diplomatic representatives and consuls.
Fried, Daniel (June 14, 2007). "U.S.-Baltic Relations: Celebrating 85 Years of Friendship"(PDF). คลังข้อมูลเก่าเก็บจากแหล่งเดิม(PDF)เมื่อ 2012-08-19. สืบค้นเมื่อ 2009-04-29. From Sumner Wells' declaration of July 23, 1940, that we would not recognize the occupation. We housed the exiled Baltic diplomatic delegations. We accredited their diplomats. We flew their flags in the State Department's Hall of Flags. We never recognized in deed or word or symbol the illegal occupation of their lands.
Lauterpacht, E.; C. J. Greenwood (1967). International Law Reports. Cambridge University Press. pp.62–63. ISBN0-521-46380-7. The Court said: (256 N.Y.S.2d 196) " The Government of the United States has never recognized the forceful occupation of Estonia and Latvia by the Soviet Union of Socialist Republics nor does it recognize the absorption and incorporation of Latvia and Estonia into the Union of Soviet Socialist republics. The legality of the acts, laws and decrees of the puppet regimes set up in those countries by the USSR is not recognized by the United States, diplomatic or consular officers are not maintained in either Estonia or Latvia and full recognition is given to the Legations of Estonia and Latvia established and maintained here by the Governments in exile of those countries
"The Soviet Red Army retook Estonia in 1944, occupying the country for nearly another half century." (Frucht, Richard, Eastern Europe: An Introduction to the People, Lands, and Culture, ABC-CLIO, 2005 ISBN978-1-57607-800-6, p. 132
"Russia and Estonia agree borders". BBC. 18 May 2005. สืบค้นเมื่อ April 29, 2009. Five decades of almost unbroken Soviet occupation of the Baltic states of Estonia, Latvia and Lithuania ended in 1991
See, for instance, position expressed by the European Parliament, which condemned "the fact that the occupation of these formerly independent and neutral States by the Soviet Union occurred in 1940 following the Molotov/Ribbentrop pact, and continues." European Parliament (January 13, 1983). "Resolution on the situation in Estonia, Latvia, Lithuania". Official Journal of the European Communities. C (42/78).
"After the German occupation in 1941–44, Estonia remained occupied by the Soviet Union until the restoration of its independence in 1991." KOLK AND KISLYIY v. ESTONIA, (European Court of Human Rights17 January 2006).
Van Elsuwege, Peter (April 2004). Russian-speaking minorities in Estonian and Latvia: Problems of integration at the threshold of the European Union(PDF). Flensburg Germany: European Centre for Minority Issues. p.2. คลังข้อมูลเก่าเก็บจากแหล่งเดิม(PDF)เมื่อ 2015-09-23. สืบค้นเมื่อ 2016-08-01. The forcible incorporation of the Baltic states into the Soviet Union in 1940, on the basis of secret protocols to the Molotov-Ribbentrop Pact, is considered to be null and void. Even though the Soviet Union occupied these countries for a period of fifty years, Estonia, Latvia and Lithuania continued to exist as subjects of international law.
Marek (1968). p. 396. "Insofar as the Soviet Union claims that they are not directly annexed territories but autonomous bodies with a legal will of their own, they (The Baltic SSRs) must be considered puppet creations, exactly in the same way in which the Protectorate or Italian-dominated Albania have been classified as such. These puppet creations have been established on the territory of the independent Baltic states; they cover the same territory and include the same population."
Combs, Dick (2008). Inside The Soviet Alternate Universe. Penn State Press. pp.258, 259. ISBN978-0-271-03355-6. The Putin administration has stubbornly refused to admit the fact of Soviet occupation of Latvia, Lithuania and Estonia following World War II, although Putin has acknowledged that in 1989, during Gorbachev's reign, the Soviet parliament officially denounced the Molotov-Ribbentrop Pact of 1939, which led to the forcible incorporation of the three Baltic states into the Soviet Union.
Bugajski, Janusz (2004). Cold peace. Greenwood Publishing Group. p.109. ISBN0-275-98362-5. Russian officials persistently claim that the Baltic states entered the USSR voluntarily and legally at the close of World War II and failed to acknowledge that Estonia, Latvia, and Lithuania were under Soviet occupation for fifty years.