- Author: Piero S. Graglia
- Language: Italian
- Author: Piero Stefani
- Language: Italian
- Year: 2019
- Author: Piero Formica, John Edmondson
- Language: English
- Year: 2020
- Author: Horacio González Cesteros, Piero Berni Millet
- Language: English
- Year: 2018
- Author: Piero Formica, Martin Curley
- Language: English
- Year: 2018
- Author: Fabrizio Barca, Piero Ignazi
- Language: Italian
- Year: 2013
- Author: Piero Crociani, Mark Stacey
- Language: English
- Year: 2013
- Author: Piero Crociani
- Language: English
- Year: 2013
- Author: Piero Martin, Gregory Conti
- Language: English
- Year: 2023
- Author: Harald Bodenschatz, Piero Sassi, Max Welch Guerra
- Language: English
- Year: 2015