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    Index of Authors to Volumes X, XI and XII.Leon Guinet - 1929 - Isis 12 (3):515-585.
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    Index of Authors to Volumes VII, VIII and IX.Leon Guinet - 1928 - Isis 9 (4):617-714.
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    La genese de la Science des CristauxHelene Metzger.Leon Guinet - 1921 - Isis 3 (3):445-446.