Library of Congress Classification:Class D -- History, General and Old World

	D	History General
	DA	History of Great Britain
	DAW	History of Central Europe
	DB	History of Austria - Liechtenstein - Hungary - Czechoslovakia
	DC	History of France - Andorra - Monaco
	DD	History of Germany
	DE	History of the Greco-Roman World
	DF	Greece
	DG	History of Italy - Malta
	DH	History of Low Countries - Benelux Countries
	DJ	History of Netherlands (Holland)
	DJK	History of Eastern Europe (General)
	DK	History of Russia; Soviet Union; Former Soviet Republics - Poland
	DL	History of Northern Europe; Scandinavia
	DP	History of Spain - Portugal
	DQ	History of Switzerland
	DR	History of the Balkan Peninsula
	DS	History of Asia
	DT	History of Africa
	DU	History of Oceania (South Seas)
	DX	History of Gypsies