Nursi, Bediuzzaman Said
Prenada Media, 2004
Buku Teks SO
Nadjmuddin Alghaithy
Alma'arif,, [date of publication not identified]
Koleksi Publik
Fitriah
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 2004
UI - Tesis Membership
Hadji Abdul Malik Karim Amrullah, 1908-1981
Widjaya, 1956
Buku Teks SO
Al-Math, Muhammad Faiz
Gema Insani Press , 1994
Buku Teks SO