WITNESS

Risālalt al-Khiṭāʾ wa-al-Īghur (Ibn Abī al-Shukr)_Oxford_Bodleian Library, Oxford Univ._Huntington_192

References

Uri, Johannes. 1787. Bibliothecae Bodleianae Codicum Manuscriptorum Orientalium Videlicet Hebraicorum, Chaldaicorum, Syriacorum, Aethiopicorum, Arabicorum, Persicorum, Turcicorum, Copticorumque Catalogus. Vol. 1. Oxford.

P. 212 (no. 971), 9. The catalogue gives the author's name as "Ibn Abi Shaker".