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The Scientific Papers of Bertram Hopkinson, C.M.G., M.A., F.R.S., Fellow 

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Laboratory Projects in Physics. A Manual of Practical Experiments for 

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A System of Physical Chemistry. By William McC. Lewis, M.A., D.Sc, 

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Principles of Biochemistry for Students of Medicine, Agriculture, and Related 

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Practical Physiological Chemistry. By Sydney W. Cole, M.A., University 

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 Sixth Edition. Cambridge : W. Heffer & Sons, 1920. (Pp. xvi + 405, 

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Recent Advances in Organic Chemistry. By Alfred W. Stewart, D.Sc, with 

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La Chemie et la Vie. Par Georges Bohn, Directeur de Laboratoire ci la Sor- 

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A Textbook of Organic Chemistry. By A. F. Holleman, Ph.D., F.R.A. Amst. 

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Organic Medicinal Chemicals (Synthetic and Natural). By M. Barrowcliff, 

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An Introduction to the Chemistry of Plant Products. Vol. I. On the Nature 

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A Textbook of Practical Chemistry. By G. F. Hood, M.A., B.Sc, Master, 

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