Narrative and Critical History of America…
“ These facts must be carefully borne in mind in pursuing inquiries relating to the history of Inca civilization. It is also essential that the nature and value of the evidence on which conclusions must be based should be understood and carefully weighed. This evidence is of several kinds. Besides the testimony of Spanish writers who witnessed the conquest of Peru, or who lived a generation afterwards, there is the evidence derived from a study of the characteristics of descendants of the Inca people, of their languages and literature, and of their architectural and other remains. ”
