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Doughty, Catherine J. S. (1988). The effect of instruction on the acquisition of relativization in English as a second language (PhD thesis). ProQuest303695616.
Young, Richard Frederick. Variation in interlanguage morphology: (s) plural-marking in the speech of Chinese learners of English (PhD thesis). ProQuest303713038.
Jakar, Valerie S. A society contained, a culture maintained: An ethnography of second language acquisition in informal education (PhD thesis). ProQuest304222540.
Labov, Joanna L. The roles of distinctive and redundant features in the production of the short A and E vowel contrast by L1 German speakers of English (PhD thesis). ProQuest304614115.
Scheyder, Elizabeth C. The impact of recordings on student achievement in critical language courses (PhD thesis). ProQuest1019985440.