バルト諸国占領
Mälksoo, Lauri (2000). Professor Uluots, the Estonian Government in Exile and the Continuity of the Republic of Estonia in International Law. en:Nordic Journal of International Law 69.3, 289-316.
Mälksoo, Lauri (2003). Illegal Annexation and State Continuity: The Case of the Incorporation of the Baltic States by the USSR. Leiden - Boston: Brill. ISBN 9041121773
Kistler-Ritso Estonian Foundation Museum of occupations of Estonia
The Occupation museum of Latvia
Alfred Erich Senn What Happened in Lithuania in 1940?