- 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.