He completed his graduate studies on the Bliss Fellowship, divided between one year each at the Courtauld Institute of Art and Harvard University.
According to ANAMED, the collection "consists of approximately 1,500 volumes of 20th-century to the present hardbacks, paperbacks, and periodicals pertaining to Byzantine art, culture, and related topics".
[2] Henry and Eunice have co-authored multiple volumes, including Other Icons: Art and Power in Byzantine Secular Culture (2007).
Reviewing Other Icons, in Studies in Iconography journal, Maria G. Parani of the University of Cyprus praised the book for "shed[ding] light on aspects of Byzantine artistic expression beyond the reserves of church and state".
[9] Parani notes that "the interest of Eunice and Henry Maguire in the study of Byzantine secular culture is wide-ranging, long-standing, and widely acknowledged".