Epistles of the Brethren of Purity. an Arabic critical edition and English translation of Epistle 4 /
Ikhwān al-Ṣafāʼ.
Sánchez Rojo, Ignacio Javier.
Montgomery, James.
Institute of Ismaili Studies.
Includes bibliographical references (pages [155]-160) and index.
Philosophy, Arab
Ismailites
Geography