The development of language in twins ...
By: by Ella Jeanette Day ...
Published: 1932
Place of publication: [Baltimore
Language: eng
Number of pages: 316
Subjects: Children -- Language.; Twins.
Notes: "References": p. 199, 316.
Thesis (PH. D.)--University of Minnesota, 1929.
Cover-title.
Vita.
"Reprinted from Child development, vol. III, no. 3, September, 1932 [vol. III, no. 4, December, 1932]"