Olmsted D L Out of the mouth of babes earliest stages in language learning - Hague Mouton 1971 - 260p. cm. - Janua linguarum : Studia memoriae Nicolai Van Wijk dedicata , ed by C H Van Schooneveld; 117 . Standard No.: 48,187 Source: Textual Subjects--Topical Terms: LINGUISTICS Dewey Class. No.: P0bS1, L1 (PD)