Baltic Countries :  a survey of the peoples and states on the Baltic with special regard to their history geography and economics / 
Baltic Institute. 
 - Toruń :  Baltic Institute,  1935-1936. 
 -  33 cm. 
 - 2 razy w roku 
 - Vol. 1, no. 1 (Aug. 1935)-Vol. 2, no. 2 = 4 (Sept. 1936). 
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