History 17 Religious aspects Christianity 5 Jews 4 Judaism 4 Social life and customs 4 Criticism, interpretation, etc 3 more ... Identity 3 Intellectual life 3 Politics and government 3 Reciprocity (Psychology) 3 Social interaction 3 Catholic Church 2 Christian pilgrims and pilgrimages 2 Civilization 2 Historiography 2 History, Military 2 Influence 2 Islam 2 Just war doctrine 2 Medicine 2 Medicine, Medieval 2 Monastic and religious life 2 Moral and ethical aspects 2 Post-exilic period (Judaism) 2 Self 2 Travel 2 War 2 800 1 Authority 1 less ...