Tou sophōtatou Psellou, Syntagma eis tas tessaras mathēmaticas epistēmas, arthimētikēn, mousikēn, geometrian, kai astronomian ...
Subtitle: Sapientissimi Pselli Opus dilucidum in quattuor mathematicas disciplinas, arthimeticam, musicam, geometriam, & astronomiam ...
Publisher: Stefano Nicolini da Sabbio e fratelli
Published: 1532
Place of publication: Venetiis
Language: gre
Number of pages: 112
Subjects: Medieval Mathematics; Music theory; Early works to 1800
Other titles: Opus dilucidum in quattuor mathematicas disciplinas.
Work titles: In mathematicas disciplinas
Notes: Signatures: a-x⁴ (Greek register).

Pref. in Latin by Francesco Contareno, and in Greek by the editor, Arsenius, Archbishop of Monemvasia.

Colophon: Enetiēsi : Para Stephanō Saviō kai tois adelphois autou, chiliostō pentakosiostō triakosiostō [sic] deuterō, Poseideōnos tetartē [i.e. June 4?]

The authorship is doubtful; also ascribed to Gregory the Solitary. Cf. New Grove, XV, 387.