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1ā- Aiton, E. J.Ngā marau “...Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716....”
I whakaputaina 1985
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2ā- Tent, M. B. W. (Margaret B. W.), 1944-Ngā marau “...Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716 Juvenile literature....”
I whakaputaina 2012
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