Birds of Cusco and Machu Picchu = Aves del Cusco y Machu Picchu
Autor:Chacón Rosasco, César; Bardález Zambrano, GretelThe drawings of the Indian Chronicler = Los dibujos del cronista indio
Autor:Chacón Rosasco, César; Guamán Poma De Ayala, Felipe; Bardález Zambrano, GretelMachu Picchu: fauna and orchids of the sanctuary, the complete guide
Autor:Chacón Rosasco, César; Bardález Zambrano, GretelMachu Picchu: fauna y orquídea del santuario, la guía completa
Autor:Chacón Rosasco, César; Bardález Zambrano, Gretel