Lock, C. G. W., Wigner, G. W., Harland, R. H., & Lock, C. G. W. (1882). Sugar growing and refining: A comprehensive treatise on the culture of sugar yielding plants, and the manufacturing, refining, and analysis of cane, beet, maple, melon, milk, palm, sorghum, and starch sugars; with copious statistics of their production and commerce, and a chapter on the distillation of rum. E. & F. N. Spon.

Lock, Charles G. Warnford, et al. Sugar Growing and Refining: A Comprehensive Treatise on the Culture of Sugar Yielding Plants, and the Manufacturing, Refining, and Analysis of Cane, Beet, Maple, Melon, Milk, Palm, Sorghum, and Starch Sugars; with Copious Statistics of Their Production and Commerce, and a Chapter on the Distillation of Rum. E. & F. N. Spon, 1882.