Note 57 — II. ITS FREQUENCY, AND THE CAUSES THEREOF.
Reading edition
Barrow, Travels in China, p. 113; De Pauw, Philosoph. Dissert; Medhurst, China, &c., p. 45; Smith, Exploratory Visit, &c., i. p. 53.
Reading edition
Barrow, Travels in China, p. 113; De Pauw, Philosoph. Dissert; Medhurst, China, &c., p. 45; Smith, Exploratory Visit, &c., i. p. 53.