The variant readings of the Qur'an a critical study of their historical and linguistic origins - Abd Allah, Ahmad Ali Muhammad (Wetherby, W. Yorks : The British Library Document Supply Centre, 1984)
Thesis (Ph.D.)-University of Edinburgh, 1984.
Keywords: Qur'an -- Readings; Qur'an -- Criticism, interpretation, etc; Qur'an -- Historiography; Qur'an -- Language, style