Guaymí grammar and dictionary with some ethnological notes - Smithsonian Institution. Bureau of American Ethnology; Alphonse, Ephraim S. (Washington : Goverment Printing Office, 1956)
Keywords: NGOBE BUGLE (LENGUA INDIGENA); NGOBE BUGLE- -- GRAMATICA; LENGUAS INDIGENAS- -- PANAMA- -- DICCIONARIOS