Stevens, G. T. (1887). Functional nervous diseases: Their causes and their treatment: with a supplement on the anomalies of refraction and accommodation of the eye and of the ocular muscles. New York: Appleton.

Stevens, George Thomas. Functional Nervous Diseases: Their Causes and Their Treatment: With a Supplement On the Anomalies of Refraction and Accommodation of the Eye and of the Ocular Muscles. New York: Appleton, 1887.

Stevens, George Thomas. Functional Nervous Diseases: Their Causes and Their Treatment: With a Supplement On the Anomalies of Refraction and Accommodation of the Eye and of the Ocular Muscles. New York: Appleton, 1887.