Guillen, Fedro Jesus Silva Herzog, Isidro Fabela, Jose Vasconcelos / Fedro Guillen - Mexico : U.N.A.M. , c1980. - 238p. pb. ISBN: 968-58-2868-7 Subjects--Personal Names: Vasconcelos, José (, 1881-1959) Silva Herzog, Jesus , 1892-1985 Fabela, Isidro , 1882-1964 Dewey Class. No.: 920 GUI