History 19 Church history 16 Primitive and early church 16 Christianity 10 Religion 10 Early church 9 Christianity and culture 5 more ... Christianity and other religions 5 Interfaith relations 5 Roman 5 Romans 5 Paganism 3 Religious aspects 3 11.51 early Christianity 2 Ascetics 2 Christian antiquities 2 Christian life 2 Church and state 2 Criticism, interpretation, etc 2 Greek 2 Greeks 2 History of doctrines 2 11.07 relations between religions 1 Anthologies 1 Art, Early Christian 1 Asceticism 1 Associations, institutions, etc 1 Bishops 1 Books 1 Books and reading 1 less ...