Elson, Benjamin F. Studies in preuvian indian languages: I / Benjamin F. Elson, editor - México, MX : Instituto Lingüístico de Verano : Oklahoma, US : Summer Institute of Linguistics of the University of Oklahoma - 220 p. , 20,5 cm. Subjects--Topical Terms: LENGUAS INDÍGENAS - PERÚ Dewey Class. No.: 498 E497s