Fearless Impossible Plays: Adventures With the Cottesloe Company by Keith Dewhurst and Jack Shepherd, Methuen Drama (2006) ISBN 0-413-77585-2 ג'ק שפרד, במסד
of Hawaii Press Editors: Lia O'Neill Keawe, Marsha MacDowell, C. Kurt Dewhurst, January 2014, עמ' pp.94-112 doi: DOI: 10.13140/RG.2.1.2571.4648 (באנגלית)