January 1913). “Notes on Miskuto Grammar and on Other Indian Languagesof Eastern Nicaragua”. American Anthropologist 15 (1): 48–62. doi:10.1525/aa.1913
developed forms of language, forms intermediate between the rudimentary communicative systems of, say, chimpanzees and modern human languages" ^ [[Steven
Bénédicte (2013). “On the revitalization of a 'treasure language': The Rama Language Project ofNicaragua”. Keeping Languages Alive. pp. 181–197. doi:10.1017/CBO9781139245890