41. A work dealing with problems of astronomy and meteorology, attributed to Hermes , Daniel and Dhū al-Qarnayn , in 22 numbered and 7 unnumbered chapters.
43. The working interleaved copy, with manuscript corrections and additions, of Wehr/Cowanʼs A dictionary of modern written Arabic, as used by the compilers of The Oxford English-Arabic dictionary of current usage (ed. by N. S. Doniach, 1972). 4 vols.