Sufism Islam 85 Religious life 32 Doctrines 31 Mysticism 19 Early works to 1800 15 Customs and practices 14 Religious aspects 6 Biography 5 Early 5 God (Islam) 5 Islamic ethics 5 works to 1800 5 Sufis 4 Creation (Islam) 3 Faith (Islam) 3 History 3 Islamic sects 3 Medicine, Arab 3 Worship (Islam) 3 Creation 2 Muslim saints 2 Mysticis 2 Pillars of Islam 2 Spiritual healing 2 Spiritual life 2 Sufi literature 2 Ulama 2 Women in Islam 2 Arabic 1