P1042 Yn cynnwys cyfeiriadau llyfryddol = Includes bibliographical references.
P1073 Teitl cyfochrog yn Gymraeg = Parallel title in Welsh.
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Silent fields : the current status of farmland birds in Wales = Gwlad tawel by Roger Lovegrove. Published by RSPB Wales in 1995. Publication and catalogue information, links to buy online and reader comments.