Llyfryddiaeth = Bibliography: p[437]-460 - Yn cynnwys mynegai = Includes index.
'Hir oes i'r iaith' : agweddau ar hanes y Gymraeg a'r gymdeithas by Robert Owen Jones. ISBN 1859024262. Published by Gomer in 1997. Publication and catalogue information, links to buy online and reader comments.