Germaux and Joseph Brummer; 1949-present, purchase by the Detroit Institute of Arts (Detroit, Michigan, USA)

Lesley, E.P., Jr. Enamel, An Historic Survey to the Present Day. Exh. cat., Cooper Union Museum. New York, 1954, no. 34. Bulletin of the DIA 31 (1952): p. 74 (ill.). Swarzenski, H. and N. Netzer. Catalogue of Medeival Objects: Enamels and Glass. Boston, 1986, p. 66, cited under cat. no. 16. Die Sammlungen des Baron von Hupsch: Ein Kolner Kunstkabinett Um 1800. Exh. cat., Schnutgen Museum. Cologne, 1964, cat. no. 30a. Part II of the Notable Art Collection Belonging to the Estate of the Late Joseph Brummer. Sales cat., Parke-Bernet Galleries. New York, May 11-14, 1949, cat. no. 732.

German, Colonnette from a Chasse, between 1180 and 1200, champlevé and gilded copper. Detroit Institute of Arts, Founders Society Purchase, Sarah Bacon Hill Fund, 49.349.