Arming the Royal Navy, 1793–1815 The Office of Ordnance and the State Cole Gareth Heftet / 2016 / Engelsk
Arming the Royal Navy, 1793–1815 The Office of Ordnance and the State Cole Gareth Innbundet / 2012 / Engelsk
WJEC GCSE Maths Foundation: Mastering Mathematics Revision Guide Pledger Keith Heftet / 2017 / Engelsk
Meistroli Mathemateg CBAC TGAU Llyr Ymarfer: Canolradd (Mastering Mathematics for WJEC GCSE Practice Book: Intermediate Welsh-language edition) Pledger Keith Heftet / 2017 / Engelsk
Mastering Mathematics for WJEC GCSE Practice Book: Intermediate Pledger Keith Heftet / 2016 / Engelsk
Meistroli Mathemateg CBAC TGAU Llyr Ymarfer: Uwch (Mastering Mathematics for WJEC GCSE Practice Book: Higher Welsh-language edition) Pledger Keith Heftet / 2017 / Walisisk
