Vocal registers in singing. Proceedings of a Symposium: Seventy-eighth meeting of the Acoustical Society of America, San Diego, California, Nov. 7, 1969 and Silver jubilee convention of the National Ass. of Teachers of Singing, Cleveland, Ohio, Dec. 28,1969

Fundamentals of Language: Edition 2

Texas Studies in Bilingualism: Spanish, French, German, Czech, Polish, Sorbian and Norwegian in the Southwest. With a Concluding Chapter on Code-Switching and Modes of Speaking in American Swedish

Sociolinguistic Studies in Language Contact: Methods and Cases

Free Association Behavior and Human Language Processing: A Theoretical Model

The Acquisition of Modal Auxiliaries in the Language of Children

Functor Analysis of Natural Language