Wolfram Walt Sociolinguistic aspects of assimilation Puerto Rican English in New York City - Virginia Center for Applied Linguistic 1973 - xi,241p. cm. - Urban language series . Appendices 225-34p (A-B); Bib 235-41p Standard No.: 52,044 Source: Textual Subjects--Topical Terms: LINGUISTICS Dewey Class. No.: P111:(Y), L31