From 1939 he was co-editor and part-author of Roman Imperial Coinage, successively, with Harold Mattingly and EA Sydenham, and with RAG Carson, devoting years to the fundamental revision and rewriting of Mattingley and Sydenham's original Volume I (1923) of the series, published in 1984. (NP) Sutherland's revised Volume I has been out of print now for some years, but his study of the Julio-Claudian coinage, being the formative period of the long imperial series, is made newly available by Spink in this handsome reprint.