1

other
Published in 1929
Repository Repositorio Biblioteca Digital CCE
2

book
Published in 1929
Repository Repositorio Biblioteca Digital CCE
3

book
Published in 1931
Repository Repositorio Biblioteca Digital CCE
4

other
Published in 1929
Repository Repositorio Facultad Latinoamericana de Ciencias Sociales
5

book
Published in 1952
Repository Repositorio Universidad de Cuenca
7