
- Author: Braulio Grajeda Asís Vela
- Language: Spanish, Quechua
- Year: 1976

- Author: Fernando Yengle
- Language: Spanish, Quechua
- Year: 2004

Estudios en inga
pdf
- Author: Bilbao Alonso Maffla.
- Language: Spanish

- Author: Тупак Юпанки Деметрио/ Demetrio Túpac Yupanqui
- Language: Русский, Quechua

- Author: Шляхтинский Андрей.
- Language: Indigenous-Русский

- Author: Anka Ninawaman Ch'.E.