BarlowRoy A.: A Newer Concept of Hysterical Aphonia, Tr. Am. Laryng. A.11:23, 1930.
2.
SternHugh: Functional Disturbances of the Singing Voice, Wein. Med. Wehschaft.80:1136 (Aug. 23), 1930.
3.
MacLeodE. C.: Demonstration of Apparatus Used to Treat Functional Aphonia and Allied Disorders With Notes on the Classification of Such Disorders, Proc. Royal Soc. Med.23:783 (April), 1930.
4.
Dundas-GrantJamesSir: Aphonia, Dysphonia and the “Singers Attitude,”Brit. M. J.1:539, 1930.
OaksL. W.MerrillH. G.OaksL. E.: Recurrent Hoarseness and Aphonia Without Demonstrable Laryngeal Pathology, Annals of Otology, Rhinology, and Laryngology, 41:1079, 1932.
7.
MacMahonCortland: A Note on the Treatment of Functional Aphonia, J. Laryng. & Otol.47:243 (April), 1932.
8.
WeissDesider: The Conception of Functional With Special Reference to Speech and Voice Pathology, Mnatschr. f. Ohrenh.69:830 (July), 1935.
9.
SternHugo: Some Experiences in the Field of Speech and Voice Therapy, Mnatschr. f. Ohrenh.69:813 (July), 1935.
10.
FroeschelsEmil: Psychogenic Impediments of the Voice, Laryngoscope49:1225 (Dec.), 1939.
11.
ZerffiWm. A. C.: Functional Vocal Disabilities, Laryngoscope, 49:1143 (Nov.), 1939.
12.
LevbargJ. J.: Hypnosis. A Potent Therapy for Certain Disorders of Voice and Speech, Arch. Otolaryng.30:206 (Aug.), 1939.
