This dissertation reconstructs the history of Alorese, an Austronesian language spoken in east Indonesia, by combining perspectives from oral history and historical linguistics. The social history of the Alorese people is reconstructed through migration stories based on narrative accounts from fourteen Alorese villages. The historical linguistic study of Alorese begins with a grammatical description of the Alorese dialect spoken in northeast Pantar. This is followed by a study of Alorese historical phonology, in which varieties of Alorese are compared with varieties of its sister language, Western Lamaholot. This dissertation also examines lexical borrowing from the Alor-Pantar (Papuan) languages into Alorese and vice versa. Based on a comb...