Thesis Maria Americo (2019)
An Analysis of Ninth-Century Reception of Claudius Ptolemy's Astronomy in the Arabic Tradition. (/isis/citation/CBB318402630/) unapi

Chapter Hoyland, Robert (2007)
A New Edition and Translation of the Leiden Polemon. In: Seeing the Face, Seeing the Soul: Polemon's Physiognomy from Classical Antiquity to Medieval Islam. (/isis/citation/CBB001036049/) unapi

Chapter Hoyland, Robert (2007)
The Islamic Background to Polemon's Treatise. In: Seeing the Face, Seeing the Soul: Polemon's Physiognomy from Classical Antiquity to Medieval Islam. (/isis/citation/CBB001036046/) unapi