San Gregorio Matese | San Gregorio | Gregorio Fernández | Gregorio Panzani | San Gregorio Magno | Juan Gregorio de las Heras | Gregorio Vargas | Gregorio Marañón | Gregorio Hernandez Rios 'El Goyo' | Gregorio Carafa | Arly Jover | San Gregorio d'Ippona | Ryan Gregorio | Manuel Gregorio Acosta | Juan Jover | Gregorio Reyes | Gregorio Petrocchini | Gregorio Perfecto High School | Gregorio Perfecto | Gregorio Paz | Gregorio Luperón International Airport | Gregorio Luperón | Gregório Lopes | Gregorio II Boncompagni | Gregorio Di Leo | Colegio de San Gregorio | BRP ''Gregorio del Pilar'' (PF-15) |
Resenting the violence with which trade unions were met by employers, he formed the anarchist group Los Solidarios, together with Buenaventura Durruti, Francisco Ascaso, Juan García Oliver, Gregorio Jover, Ramona Berri, Eusebio Brau, Manuel Campos, and Aurelio Fernández.