In this paper, I discuss methodological and ethical issues that arose in the process of documenting lexical variation in Yucatec Maya Sign Languages (YMSLs). YMSLs are indigenous sign languages used by deaf and hearing people in Yucatec Maya villages with a high incidence of deafness in the peninsula of Yucatán, Mexico. The documentation of rural…

Wisconsin Walloon is a heritage dialect of a threatened language in the langue d'oïl family that originated in southern Belgium and expanded to northeastern Wisconsin, USA in the mid-1850s. Walloon-speaking immigrants formed an isolated agricultural community, passing on and using the language for the next two generations until English became the…

The assessment of language endangerment requires accurate estimates of speaker populations, including information about the proficiency of different groups within those populations. Typically, this information is based on self-assessments, a methodology whose reliability is open to question. We outline an approach that seeks to improve the…