History 38 Description and travel 22 Political science 15 Philosophy 12 Travel 9 Criticism and interpretation 7 Spanish 7 more ... Discovery and exploration 6 Natural history 6 Christianity 5 Conduct of life 5 History and criticism 5 Indians of Mexico 5 Indians of South America 5 Military art and science 5 Spiritual life 5 Voyages and travels 5 Catholic Church 4 Criticism, Textual 4 Grammar 4 Law 4 Medicine 4 Mysticism 4 Spanish language 4 State, The 4 Utopias 4 Authorship 3 Biography 3 Church and state 3 Early accounts to 1600 3 less ...