Subject
- Underground movements138
- Campaigns121
- Hitler, Adolf, 1889-1945120
- Holocaust survivors119
- German literature118
- Men117
- Social conditions113
- Psychological aspects110
- Sociological aspects105
- Criticism and interpretation101
- Concentration camp inmates91
- Influence82
- Women82
- Philosophy80
- Church history78
- History, Military78
- Catholic Church77
- Colonies77
- Auschwitz (Concentration camp)73
- Death marches73