History 42 Cato, Quintus Licinius (Fictitious character) 6 Macro, Lucius Cornelius (Fictitious character) 6 Romans 6 Social life and customs 5 Education 4 Foreign relations 4 Historia 4 Kings and rulers 4 Politics and government 4 Vikings 4 Working class 4 Commerce 3 Physicists 3 Social conditions 3 Socialism 3 Study and teaching 3 Army 2 Authorship 2 British 2 Education, Elementary 2 Families 2 Motion picture producers and directors 2 Officers 2 Political corruption 2 Political science 2 Prime ministers 2 Puritans 2 Robin Hood (Legendary character) 2 Saxons 2