Islam -- 11 Islam 8 Christianity 5 Relations -- 5 Christianity and other religions -- 4 Da'wah (Islam) 3 Communism and Islam 2 more ... Doctrines 2 Apologetic works 1 Biography -- 1 Commentaries 1 Economic aspects 1 Economics -- 1 Faith (Islam) 1 Hadith 1 Islam and politics 1 Islamic ethics 1 Islamic law 1 Muslims -- 1 Politics and government -- 1 Qur'an -- 1 Religious aspects -- 1 Religious life -- 1 Sufism 1 Unity 1 less ...