P1042 Yn cynnwys cyfeiriadau llyfryddol a mynegai = Includes bibliographical references and index.
P1073 Testun yn Saesneg; gyda Rhagair yn Gymraeg/Saesneg ac enwau pysgod yn Saesneg/Cymraeg = English text; with Foreword in Welsh/English and names of fish in English/Welsh.
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A field guide to the marine fishes of Wales and adjacent waters by Paul Kay. ISBN 9780956204806. Published by Marine Wildlife in 2009. Publication and catalogue information, links to buy online and reader comments.