Bibliography on speech, hearing, and language in relation to mental retardation, 1900-1968.

Xehetasun bibliografikoak
Egile nagusia: Peins, Maryann 1927-
Erakunde egilea: U.S. Maternal and Child Health Service
Formatua: Liburua
Hizkuntza:English
Argitaratua: [Washington, D. C. Maternal and Child Health Service 1969].
Saila:Public Health Service. PHS publication, no.2022
Gaiak: