Memory Social aspects 95 History 60 Psychological aspects 32 Historiography 29 Collective memory 25 Philosophy 20 Holocaust, Jewish (1939-1945) 18 Political aspects 18 Learning, Psychology of 16 Influence 14 Cognition 13 Nationalism 10 Civilization 9 Culture 8 Social conditions 8 Mnemonics 7 Political culture 7 Age factors 6 Human information processing 6 Learning 6 Museums 6 Social psychology 6 World War, 1939-1945 6 Aging 5 Attention 5 Group identity 5 History and criticism 5 Memory in literature 5 Methodology 5