This edited collection presents two sets of interdisciplinary conversations connecting theoretical, methodological, and ideological issues in the study of language. In the first section, Approaches to the study of the indigenous languages of the Americas, the authors connect historical, theoretical, and documentary linguistics to examine the crucial role of endangered language data for the development of biopsychological theory and to highlight how methodological decisions impact language revitalization efforts. Section two, Approaches to the study of voices and ideologies,...