Etiology of articulatory speech defects
Subtitle: a comparison of the incidence of six selected factors in children having articulatory speech defects, with the incidence of the same factors in children not having speech defects
By: by Darrel Jay Mase ...
Series: Teachers college, Columbia university.  Contributions to education, no. 921
Publisher: Teachers college, Columbia university
Published: 1946
Place of publication: New York
Language: eng
Number of pages: 85
Subjects: Speech, Disorders of
Notes: Published also without thesis note.

Vita.

Thesis (Ph.D.) - Columbia university, 1945.

"Selected bibliography": p. 71-74.