books.google.com - This illustrated historical reference work provides an interpretive overview of each of the countries of Eastern Europe, focusing particularly on political developments and including references to significant social, cultural and economic events....http://books.google.com/books/about/The_Columbia_History_of_Eastern_Europe_i.html?hl=ko&id=5O5NkwX-NnYC&utm_source=gb-gplus-shareThe Columbia History of Eastern Europe in the Twentieth Century