"A Record of Study in Aboriginal American Languages" by Daniel G. Brinton is a scientific publication composed during the late 19th century. This book serves as a comprehensive survey of Brinton's research and writings on the languages of Indigenous Americans, exploring their unique morphological and grammatical traits. With a focus on the classification and analysis of various Aboriginal languages, it highlights the importance of preserving these linguistic heritages. In this detailed compilation, Brinton organizes his work geographically, summarizing nearly four decades of his contributions to the field of American linguistics. He delves into themes such as the characteristics of American languages, the idea of incorporation within these languages, and their morphological structures. Among the highlighted topics are the relationships between American and Asiatic languages, as well as the significance of Aboriginal authors and their expressions in native tongues. The book also emphasizes the slow rate of language change in unwritten languages, along with a plea for the study of their indigenous literatures, promoting a greater understanding of the cultural contexts these languages encompass. Through this scholarly work, Brinton offers readers a valuable insight into the complexities and richness of Aboriginal American languages. (This is an automatically generated summary.)