por Spencer, Herbert, 1820-1903 [autor] | García, Daniel [traductor] | García, Genaro, 1867-1920 [traductor].
por Binns, Niall, 1965- [editor] | Caspistegui, Francisco Javier [autor] | Cunningham, Valentine [autor] | González de la Aleja, Manuel [autor] | Insausti, Gabriel [editor] | Pastor García, Daniel [autor] | Celada, Antonio R [autor] | Villar Flor, Carlos [autor].