| Call Number | Subject |
|---|---|
| DD 84 | Dictionaries. Chronological tables, outlines, etc. |
| DD 85-85.8 | Biography |
| - DD 85.6 | - Rulers, emperors, etc. |
| DD 86-86.7 | Historiography |
| - DD 86 | - General works |
| - DD 86.5-86.7 | - Biography of historians |
| DD 87-89 | General works |
| DD 90 | Compends |
| DD 97-120 | General special |
| - DD 97 | - Philosophy of German history |
| - DD 99-104 | - Military history |
| - - DD 100 | - - Biography (Collective) |
| - - DD 101 | - - General works |
| - - DD 101.5 | - - General special |
| - - DD 102-104 | - - By period |
| - - - DD 103 | - - - 19th century |
| - - - DD 104 | - - - 20th century |
| - DD 106 | - Naval history |
| - DD 110-120 | - Political & diplomatic history |
| - - DD 112 | - - General works |
| - - DD 113-117 | - - By period |
| - - - DD 114 | - - - Medieval. Städtewesen, etc. See also D134 The medieval city; DD63+ Medieval civilization in Germany |
| - - - Reformation see DD184 | |
| - - - DD 115-117 | - - - Modern since the Reformation |
| - - - - DD 117 | - - - - 19th-20th centuries See also DD221 Political & diplomatic history, 1871- ; DD228.6 Diplomatic history, 1888-1918; DD240 Political & diplomatic history, 1918- |
| - - DD 118 | - - Kulturkampf |
| - - DD 118.5-119.7 | - - Expansionist movements. Imperialism See also D135+ Migrations |
| - - - DD 118.5 | - - - General works |
| - - - DD 119 | - - - Pangermanism |
| - - - DD 119.5 | - - - German propaganda |
| - - DD 120.A-Z | - - Foreign relations with individual regions or countries, A-Z |
| - - - DD 120.A8 | - - - Austria |
| - - - DD 120.C9 | - - - Cuba |
| - - - DD 120.E8 | - - - Europe |
| - - - DD 120.E852 | - - - Europe, Eastern |
| - - - DD 120.F8 | - - - France |
| - - - DD 120.G7 | - - - Great Britain |
| - - - DD 120.I5 | - - - India |
| - - - DD 120.J3 | - - - Japan |
| - - - DD 120.P19 | - - - Palestine |
| - - - DD 120.P7 | - - - Poland |
| - - - DD 120.R8 | - - - Russia |
| - - - DD 120.S65 | - - - Soviet Union |
| - - - DD 120.S7 | - - - Spain |
| - - - DD 120.U5 | - - - United States |
| - - - DD 120.V4 | - - - Venezuela |