- Author: Haroldo de Campos
- Language: Portuguese
- Year: 2006
- Author: Haroldo de Campos
- Language: Portuguese
- Year: 1969
- Author: Augusto de Campos, Décio Pignatari, Haroldo de Campos
- Language: Portuguese
- Year: 1975
- Author: Haroldo de Campos
- Language: English
- Year: 2007