The Northern School: A Reappraisal by Martin Regan, 2016

Geoffrey Key Infinite Jest - Jester, Clown and Commedia dell'arte by Judith M O'Leary, 2015
Geoffrey Key by Andrea Gates, 2014
Geoffrey Key Artist 'Signature' by Judith M O'Leary, 
2011

Geoffrey Key Artist 'Birds' by Judith M O'Leary, 2010

Geoffrey Key Paintings by Judith M O'Leary, 2008

Geoffrey Key Twentieth-Century Drawings: Drawings and Sketches 1960 - 2000 by Judith M O'Leary, 2002