CBAC Astudiaethau Crefyddol U2 Athroniaeth CrefyddGregory A. Barker, Peter Cole, Eduqas Staff Welsh Joint Education Committee · First published 2020Open the Tome
CBAC Astudiaethau Crefyddol UG Athroniaeth CrefyddGregory A. Barker, Richard Gray, Eduqas Staff Welsh Joint Education Committee · First published 2019Open the Tome
WJEC/Eduqas Religious Studies for A Level Year 1 and AS : Philosophy of ReligionGregory A. Barker, Richard Gray · First published 2019Open the Tome
WJEC/Eduqas Religious Studies for A Level Year 2 and A2 : Philosophy of ReligionGregory A. Barker, Peter Cole, Geoff Tuttle, Eduqas Staff Welsh Joint Education Committee · First published 2019Open the Tome
WJEC/Eduqas Religious Studies for A Level Year 2/A2Gregory A. Barker · First published 2017Open the Tome
The Ultimate Guide to SingingTC-Helicon, Gregory A. Barker, Kathy Alexander · First published 2014Open the Tome
