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  1. The Chandelier Clock of Ibn Yūnis.E. S. Kennedy & Walid Ukashah - 1969 - Isis 60 (4):543-545.
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  • Sonnenuhren der spatarabischen Astronomie.Karl Schoy - 1924 - Isis 6 (3):332-360.
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  • Solar and Planetary Longitudes for Years - 2500 to + 2000. William D. Stahlman, Owen Gingerich.E. S. Kennedy - 1964 - Isis 55 (2):221-222.
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  • Beitrage zur arabischen Trigonometrie.Carl Schoy - 1923 - Isis 5 (2):364-399.
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  • Solar and Planetary Longitudes for Years - 2500 to + 2000 by William D. Stahlman; Owen Gingerich. [REVIEW]E. Kennedy - 1964 - Isis 55:221-222.
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  • Sonnenuhren der spatarabischen Astronomie.Karl Schoy - 1924 - Isis 6:332-360.
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  • The Chandelier Clock of Ibn Yūnis.E. Kennedy & Walid Ukashah - 1969 - Isis 60:543-545.
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  • Beitrage zur arabischen Trigonometrie.Carl Schoy - 1923 - Isis 5:364-399.
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  • The Authorship of the Liber de crepusculis, an Eleventh-Century Work on Atmospheric Refraction.A. Sabra - 1967 - Isis 58:77-85.
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  • The Digital Computer and the History of the Exact Sciences.E. S. Kennedy - 1968 - Centaurus 12 (2):107-113.
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  • Arabic numeral forms.Rida A. K. Irani - 1955 - Centaurus 4 (1):1-12.
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