Kitab al-Zuhd - Ibn al-Jarrah, Waki', 746-812; al-Mazidi, Ahmad Farid; Abu Da'ud Sulayman ibn al-Ash'ath al-Sijistani, 817 or 18-889.; al-Khuldi, Ja'far ibn Muhammad (Beirut : Dar al-Kutub al-'Ilmiyah, 2010)
Keywords: Asceticism -- Islam -- Early works to 1800; Religious life -- Islam -- Early works to 1800; Hadith -- Texts -- Early works to 1800