P1042 Yn cynnwys cyfeiriadau llyfryddol = Includes bibliographical references (pages158-[160]).
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Llwybr Llaethog Llundain : hanes busnesau llaeth y Cardis yn y ddinas by Megan Hayes. ISBN 9781845274849. Published by Gwasg Carreg Gwalch in 2014. Publication and catalogue information, links to buy online and reader comments.