'Arddangosfa deithiol Cyngor Celfyddydau Cymru = A Welsh Arts Council touring exhibition'. - Parallel Welsh and English text.
Francis Hewlett : Cymrodor Gregynog, 1977 = Gregynog Fellow, 1977 by Welsh Arts Council. ISBN 0905171314. Published by The Council in 1978. Publication and catalogue information, links to buy online and reader comments.