1. Francisco De Avila, Cusco 1573 (?)—Lima 1647;Acosta,1987
2. “De procuranda indorum salute o predicación del evangelio en las Indias.” In Obras del P. José De Acosta;Acosta,1954 [1588]
3. Spatial Reference and Speaker Orientation in Early Colonial Quechua;Adelaar,1997