Stephan Roman,

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Franz Rosenthal,

The Classical Heritage in Islam (London: Routledge, 1994).

D. F. Ruggles,

Islamic Gardens and Landscapes (Philadelphia: University of

George Sarton,

Six Wings: Men of Science in the Renaissance (London: Bodley Head, 1958). --- ,

Introduction to the History of Science (Baltimore: Williams & Wilkins, 1927).

Shafi da ba'a sani ba