Middle English ū and related sounds
Subtitle: their development in early American English.
Series: Language monograph -- no. 19.; Language monographs -- no. 19.
Publisher: Linguistic Society of America
Published: 1939
Place of publication: Baltimore, Md
Language: eng
Number of pages: 79
Subjects: English language -- Phonology; English language -- Middle English, 1100-1500 -- Phonology; English language -- Vowels
Notes: At head of title: Supplement to Language, journal of the Linguistic  society of America...Vol. 15, no. 4, Oct.-Dec., 1939.

"A brief bibliography of works most frequently referred to" p. 7-15.