Subclass DB: History of Austria, Liechtenstein, Hungary, and Czechoslovakia is a classification used by the Library of Congress Classification system under Class D -- History, General and Old World. This article describes subclass DB.
Contents
DB
1-3150..........History of Austria. Liechtenstein. Hungary. CzechoslovakiaReferences
Library of Congress Classification:Class D, subclass DB -- History of Austria, Liechtenstein, Hungary, and Czechoslovakia Wikipedia(Text) CC BY-SA