The Psalter of Robert de Lisle (London, British Library Arundel MS 83 II) has been mentioned in every major publication on the masterpieces of English manuscript illumination. Lucy Freeman Sandler’s The Psalter of Robert de Lisle in the British Library, first published in 1983, is the first focused study of the Psalter, and condenses material from her 1964 doctoral dissertation. Scholarly reviews in the mid-1980s, such as those by Walter Cahn in the Art Bulletin...