Nicola Abbagnano(1)
Aldo Agazzi(1)
José. [from old catalog] Ballester y Gozalvo(1)
Wilhelm Dilthey(1)
pseud. [from old catalog] Edelvives(1)
Paciano Fermoso Estebanez(1)
Eugenio. [from old catalog] García y Barbarín(1)
Francisco Larroyo(1)
August Messer(1)
Paul Monroe(1)
Celia Ortiz A. de Montoya(1)
Hermann Weimer(1)
Richard WICKERT(1)
Olga Lucía Zuluaga de Echeverry(1)