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1gan Kirby, J. M. (John Malcolm), 1938-Pynciau “...Urbanization South America Juvenile literature....”
Cyhoeddwyd 1985
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2gan Millard, AnnePynciau “...Archaeology, Urban Europe Juvenile literature....”
Cyhoeddwyd 1998
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3
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4gan Kearsley, G. W.Pynciau “...Urban geography New Zealand Juvenile literature....”
Cyhoeddwyd 1989
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5
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7gan Barraud, NedPynciau “...Urban ecology (Biology) New Zealand Juvenile literature....”
Cyhoeddwyd 2022
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8Living with our waterways : a Clean Rivers Campaign school resource kit for Form I and II students /Cyhoeddwyd 1994PynciauLlyfr