History 41 Description and travel 23 Political science 14 Philosophy 12 Travel 10 Spanish 8 Christianity 6 more ... Criticism and interpretation 6 Discovery and exploration 6 Indians of Mexico 6 Natural history 6 Spanish language 6 Conduct of life 5 History and criticism 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 Utopias 4 Authorship 3 Biography 3 Christianity and other religions 3 Church and state 3 Early accounts to 1600 3 less ...