バーテルミー・デック
The Master of 1456 is a name used for the author of the Lichtenstein portrait (see external links), probably also Barthélemy
↑ Dhanens, Elizabeth. Hubert and Jan van Eyck. New York: Alpine Fine Arts Collection. ISBN 0-933516-13-4
1 2 Walther, Ingo F.; Wolf, Norbert (2005). Masterpieces of Illumination. Köln: Taschen. pp. 473–4. ISBN 3-8228-4750-X
↑ Harthan op cit pp 90-93
↑ Walther & Wolf, Masterpieces, pp 350-3.
↑ Pognon, Edmond (1979). Les Très riches heures du duc de Berry : 15th-century manuscript. New York: Crescent Books. ISBN 0-517-28288-7 - Pognon does not identify the Master with Barthélemy; Walther and Wolf do, and also give him June from the calendar.