
Dempsey, George Drysdale Iron Applied to Railway Structures: Comprising an Abstract of Results of Experiments Conducted Under the Authority of the Commissioners Appointed by ... Structures. With Practical Notes, and Illus

Drysdale, Charles Robert The Population Question According to T. R. Malthus and J. S. Mill: Giving the Malthusian Theory of Overpopulation

Drysdale, Alexander Hutton History of the Presbyterians in England: Their Rise, Decline, and Revival

Drysdale, Charles Robert On the Treatment of Syphilis and Other Diseases Without Mercury: Being a Collection of Evidence to Prove That Mercury Is a Cause of Disease, Not a Remedy

Drysdale, Charles Robert On the Treatment of Syphilis and Other Diseases Without Mercury: Being a Collection of Evidence to Prove That Mercury Is a Cause of Disease, Not a Remedy

Drysdale, John James Health and Comfort in House Building: Or, Ventilation With Warm Air by Self-Acting Suction Power; With Review of the Mode of Calculating the Draught in Hot-Air Flues; and With Some Actual Experiments