Modern Copper Smelting / being lectures delivered at Birmingham University, greatly extended and adapted and with and introduction on the history, uses and properties of copper.

by Donald M. Levy

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Walker, A. L., Mineral Industry, 1898, vol. vii., p. 248.

T. Johnson, “Some Features in the Metallurgy of Copper.” Proc. B’ham. Met. Soc., 1906.

Hiorns and Lamb, “Influence of Arsenic and Antimony on Copper.” Journ. Soc. Chem. Ind., May, 1909.

Condition and Influence of Impurities on the Mechanical Properties of Copper (p. 32).

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Hampe 1873, xxi., 218; 1876, xxiv., 26

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Reports, Royal Tech. Testing Institute.