Books:

Misiunas, R & Taagepera, R. (1983). Baltic States: The Years of Dependence, 1940-80. New York: C Hurst & Co Publishers
Rauch, von G. (1996). Baltic States: The Years of Independence: Estonia, Latvia, Lithuania, 1917-1940. New York: St. Martin's Press
O'Connor, K. (2003). History of the Baltic States. Greenwood Press
Smith, D, J; Pabriks, A; Purs, A; Lane, T. (2002). The Baltic States. Estonia, Latvia and Lithuania. Routledge, London and New York.