(en) Ferdinand Feldbrugge, Gerard Pieter van den Berg et William B. Simons, Encyclopedia of Soviet law, Dordrecht/Boston/Lancaster, BRILL, , 964 p. (ISBN90-247-3075-9, lire en ligne), p. 461 — « 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. ».
(en) Bruce Parrott, State building and military power in Russia and the new states of Eurasia, M. E. Sharpe(en), (ISBN1-56324-360-1, lire en ligne), « Reversing Soviet Military Occupation », p. 112–115.
brill.com
(en) Cornelius Hasselblatt, « Estonian Between German and Russian: Facts and Fiction About Language Interference », dans Languages in Contact, Brill, (ISBN978-90-04-48847-2, lire en ligne), p. 135–144
(en) Peter Van Elsuwege, Russian-speaking minorities in Estonian and Latvia : Problems of integration at the threshold of the European Union, Flensburg Germany, European Centre for Minority Issues, (lire en ligne), p. 2 — « 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. ».
(en) European Parliament, « Resolution on the situation in Estonia, Latvia, Lithuania », Official Journal of the European Communities, vol. 42/78, (lire en ligne).
(en) Bruce Parrott, State building and military power in Russia and the new states of Eurasia, M. E. Sharpe(en), (ISBN1-56324-360-1, lire en ligne), « Reversing Soviet Military Occupation », p. 112–115.
(en) Martin J. Wolf, John W. Emerson, Daniel C. Esty, Alex de Sherbinin, Zachary A. Wendling et al., 2022 Environmental Performance Index, New Haven, Connecticut, États-Unis, Yale Center for Environmental Law & Policy, , 192 p. (lire en ligne [PDF]).
