Here is where to find materials on your topic when in the library

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