This book is in debt to many more people than I can mention, but I must thank Miguel Ángel Aguilar, Óscar Alzaga, Luis Alegre, Jordi Amat, Luis María Anson, Jacinto Antón, José Luis Barbería, Josep Anton Bofill, Javier Calderón, Antoni Candela, Jaime Castillo, Diego Camacho, Santiago Carrillo, Jordi Corominas, Carme Chacón, Javier Fernández López, Manuel Fernández-Monzón Altolaguirre, Felipe González, Jordi Gracia, Manuel López, Lídia Martínez (and Gemma Caballer and the rest of the librarians at Pavelló de la República), Carles Monguilod, Joaquim Nadal, Alberto Oliart, Àngel Quintana, Ricardo Pardo Zancada, Javier Pradera, Joaquín Prieto, Francisco Rico, Narcís Serra, Carlos Sobrino, Luis Miguel Sobrino, Mariano Torcal, David Trueba, Miguel Ángel Valladares and Enrique Zapata.