D : History (General) and History of Europe
D: General History
D111-203 Medieval history
D204-893 Modern History
DA: Great Britain
DA20-690 England
DA700-745 Wales
DA750-890 Scotland
DA900-995 Ireland
DAW: Central Europe
DB: History of Austria, Austro-Hungarian Empire
DC: France, Andorra, Monaco
DD: Germany
DE: Greco-Roman World
DF: Greece
DG: Italy - Malta
DH: Low countries, Benelux Countries (Belgium, Luxembourg)
DJ: Netherlands (Holland)
DJK: Eastern Europe (General)
DK: Russia, Soviet Union, Former Soviet Republics, Poland
DL: Northern Europe, Scandivavia
DL101-291 Denmark
DL301-398 Iceland
DL401-596 Norway
DL607-991 Sweden
DL 1002-1180 Finland
DP: Spain, Portugal
DQ: Switzerland
DR: Balkan Peninsula
DR51-98 Bulgaria
DR 201-296 Romania
DR401-741 Turkey
DR901-998 Albania
DR1202-2285 Yugoslavia
DS: Asia
DS701-799.9 China
DS801-897 Japan
DT:Africa
DT43-154 Egypt
DT181-346 Maghrib, Barbary States
DT365-469 Eastern Africa
DT470-671 West Africa
DT1701-2405 South Africa
DU: Oceania (South Seas - Australia, New Zealand, Polynesia)
DX: Gypsies
E-F : History, America
E: American and the United States History (general)
E11-143 America
E151 - 889 United States
F: United States (local) and America Outside of U.S. History
F1-975 United States Local History
F1001-1145.2 British and Dutch America (including Canada)
F1170 French America
F1201-3799 Latin America, Spanish America