Doctissimi Pselli Opus dilucidum in quattuor mathematicas disciplinas : arihmeticam [i.e. arithmeticam], musicam, geometriam, & astronomiam ... = Tou sophotatou Psellou Syntagma eusynopton eis tas tessaras mathematikas epistemas : arithmetiken, mousiken, geometrian, kai astronomian ...
Michael Psellus
Bok Gresk, klassisk 1545