Note XI-7 — Chapter XI · THE QUICHÉ-CAKCHIQUEL EMPIRE IN GUATEMALA.
Reading edition
Brasseur, in Popol Vuh, p. cclvi. The only authority referred to on this matter of Copan is the Isagoge Historico, a manuscript cited in García Pelaez, Mem. para la Historia del antiguo Reino de Guatemala, tom. i., p. 45 et seq.