History 54 Social life and customs 15 Families 7 Social conditions 7 Gay men 5 Interplanetary voyages 4 Macro, Lucius Cornelius (Fictitious character) 4 more ... Slavery 4 Women 4 Army 3 Authors, Argentine 3 British 3 Cato, Quintus Licinius (Fictitious character) 3 Clergy 3 Family secrets 3 Friendship 3 Gladiators 3 Jews 3 Officers 3 Politics and government 3 Revenge 3 Social classes 3 World War, 1939-1945 3 Young men 3 Americans 2 Campaigns 2 Chess 2 Chess players 2 Concentration camps 2 Criticism and interpretation 2 less ...