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Pritchard Telfryn. Notes on a Manuscript of Walter of Chatillon's Alexandreis from an Illustrious Welsh Library . In: Scriptorium, Tome 41 n°1, 1987. pp. 105-113.
Pritchard Telfryn. R. B. Marks. The Medieval Manuscript Library of the Charterhouse of St. Barbara in Cologne (Analecta Cartusiana, 22). In: Scriptorium, Tome 30 n°2, 1976. p. 313.
Chatillon François. R. Telfryn Pritchard, éd. trad. — Walter of Châtillon : the Alexandreis, 1986. In: Cahiers de civilisation médiévale, 32e année (n°125), Janvier-mars 1989. pp. 88-89.
