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195gan Haberle, Simon G.Pynciau “...Human ecology History....”
Cyhoeddwyd 1998
Connect to electronic version
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196Cyhoeddwyd 2001Tabl Cynhwysion “...Adventures and dangers in spiritual ecology / Leslie E. Sponsel -- Historical ecology: landscapes of change in the Pacific Northwest / Kathryn R. ...”
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197Cyhoeddwyd 2008PynciauLlyfr
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