BIBLIOGRAPHY CONTRIBUTOR Daniel Varisco First name Daniel Last name Varisco Bibliography entries by this contributor Varisco, Daniel. 1994. Medieval Agriculture And Islamic Science: The Almanac Of A Yemeni Sultan. Seattle: University of Washington Press. Varisco, Daniel. 1989. “The Anwāʾ Stars According To Abū Isḥāq Al-Zajjāj”. Zeitschrift Für Geschichte Der Arabisch-Islamischen Wissenschaften 5: 145-166.