THE HISTORICAL PHONOLOGY OF MANCHU DIALECTS Andrew Jonathan Joseph, Ph. D. Cornell University 2018 This dissertation investigates and compares the phonological systems of ten varieties of Manchu, covering the standard Written Manchu language and all attested major dialects, including Sibe and Jurchen. This dissertation sets out a comprehensive overview of segmental correspondences among these ten varieties, identifying the major sound changes and determining isoglosses, with the combined aims of elucidating the historical development and internal structure of the Manchu branch of the Tungusic family and deducing the key segmental phonological properties of the hypothesized common ancestor of the Manchu branch. Chapter 1 provides background...