Periphyseon = On the division of nature

von Iohannes Scotus Eriugena, c. 810-c. 877.
Cahiers d'études médiévales. Cahier spécial ; 3
Montréal : Washington : Bellarmin ; Dumbarton Oaks, 1987.
Umfang/Format: 722 p. ; 23 cm.

Latin script and letters a.D. 400-900 : festschrift presented to Ludwig Bieler on the occasion of his 70th birthday

Leiden : E. J. Brill, 1976.
Umfang/Format: vi, 276 p., [1] leaf of plates : port. ; 25 cm.