I Rivoluzionari Della RisataJeffrey Briar, Loretta Bert, Patch Adams, Madan Kataria, Madhuri Kataria · First published 2015Open the Tome
Laughter RevolutionariesMadan Kataria, Karyn Buxman, Madhuri Kataria, Francoise Rousse, Kathryn Burns · First published 2011Open the Tome
