Recommended BooksNull and Void: Poland: Case Study on Comparative Imperialism by PoloniaOctober 20, 20190649 Share0 The book traces the history of Poland from the 1930s to the 1950s, dealing with the Nazi era and focusing especially on the Stalinist period. https://www.amazon.com/Null-Void-Poland-Comparative-Imperialism/dp/0761840281