books.google.com - For four centuries, The Polish–Lithuanian state encompassed a major geographic region comparable to present-day Poland, Lithuania, Belarus, Ukraine, Russia, Latvia, Estonia, and Romania. Governed by a constitutional monarchy that offered the numerous nobility extensive civil and political rights, it...http://books.google.com/books/about/The_Polish_Lithuanian_State.html?id=LFgB_l4SdHAC&utm_source=gb-gplus-shareThe Polish-Lithuanian State