B L A K E VOLUME 54 NUMBER 4 SPRING 2021 Angela Esterhammer, Victoria College, University of Toronto Nelson Hilton, University of Georgia Tilar J. Mazzeo, Colby College Robert W. Rix, University of Copenhagen Joseph Viscomi, University of North Carolina at Chapel Hill David Worrall, The Nottingham Trent University Martin Butlin, Tate Gallery, London, retired Tristanne J. Connolly, University of Waterloo Detlef W. Dörrbecker, University of Trier Sibylle Erle, Bishop Grosseteste University Robert N. Essick, University of California, Riverside A D V I S O R Y B O A R D A N I L L U S T R A T E D Q U A R T E R L Y VOLUME 54 NUMBER 4 SPRING 2021 C O N T E N T S www.blakequarterly.org Articles Blake in the Marketplace, 2020 By Robert N. Essick Diagrammatic Blake: Tracing the Critical Reception of “The Mental Traveller” By Caroline Anjali Ritchie © 2021 Copyright Morris Eaves and Morton D. Paley Cover: Design based on page 5 of the Pickering Manuscript, lines from “The Mental Traveller.” Morgan Library & Museum. MA 2879. Gift of Mrs. Landon K. Thorne, 1971. Image courtesy of the Morgan Library & Museum, New York. E D I T O R S editors: Morris Eaves and Morton D. Paley review editor: Alexander S. Gourlay exhibitions editor: Luisa Calè bibliographer (criticism): Wayne C. Ripley bibliographer (music): Jason Whittaker managing editor: Sarah Jones sarah.jones@rochester.edu production office: Department of English, University of Rochester, Rochester NY 14627-0451