By Girau, Lewis.
Barcelona : Colección Magister, 1933 .
123 p

By Allen, Edward David | Valette, Rebecca.
New York : Harcourt Brace Jovanovich, 1972 .
ix, 306 p

By Schneider, Rudolf | Behrens, Ernst.
Berlin : Goethe, .
135 p

By Itier, César | Ortiz Cárdenas, Zenobio | IFEA-Lima.
Lima : Ed. Commentarios, IFEA, 2019 .
313 p. :

By Cornell, Joseph.
Barcelona : Ed. Ibis, 1994 .
198 p. :

By Barreto Ascarza, Antero Jesús | Concejo Provincial-Cusco.
Cusco : Municipalidad del Cusco, 1993 .
55 p