Susan Golombok
Joan E. Garcés
Luis Enrique Alonso, Carlos J. Fernandez Rodriguez
Goran Therborn
Stach Reiner
Clara Ramas San Miguel
Nicolás Buckley
Marcos Roitman Rosenmann
Holmes George
Aa.Vv.
Georges Duby
Arthur Schopenhauer
Olwen Hufton
Ulrich Beck
Kaspar Maase
William H. Mcneill
Julian Sanz, Jose Babiano
Erik Olin Wright
Nove Alec
Alejandro Lillo
Geoffrey Parker
Pedro Angel Fernandez Vega
John Merriman
Arturo Villavicencio
Sheila Fitzpatrick
Vladimir Ilich Lenin
Christopher Hill
Gerald A. Cohen
Samuel Bernstein
Sierra Caballero Francisco
Leonie Frieda
Finkelstein Israel, Silberman Niel Asher
Jose Manuel Naredo