P1042 Yn cynnwys cyfeiriadau llyfryddol = Includes bibliographical references.
P1073 Testun Cymraeg/Saesneg = Welsh/English text tĂȘte-bĂȘche.
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Amaethyddiaeth ac adar yng Nghymru : arweinlyfr rheolaeth by N. R. Thomas. ISBN 1901930009. Published by RSPB in 1998. Publication and catalogue information, links to buy online and reader comments.