- Author: Freire Paulo
- Language: Portuguese
- Year: 2014
- Author: Karl Marx
- Language: Portuguese
- Year: 2011
- Author: José Claudinei Lombardi Lívia Diana Rocha Magalhães e Wilson da Silva Santos
- Language: Portuguese
- Year: 2013
- Author: Vladimir Ilitch Lênin
- Language: Portuguese
- Year: 2011