Ernesto de la Pena has written:
'Las controversias de la fe'
Ernesto Marenco has written: 'Reliquias de lo nuevo'
Esperanza Matheus de Pena has written: 'Alma hispana' -- subject(s): Description and travel
Noel Ernesto Pallais has written: 'Hombres de la victoria'
Ernesto Delgado Baudet has written: 'Los cuentos de Sania'
Ernesto Sierra has written: 'La doble aventura de Adan Buenosayres'
Jorge Ernesto Funes has written: 'Una lanza por Lope de Aguirre'
Ernesto. Moreno Machuca has written: 'Tesis para recibirse de mexicano'
Ernesto Coello Siota has written: 'Manual Del Contador De Costos'
Ernesto Rodrigues has written: '5 de outubro' -- subject(s): Politics and government, History
Antonio de la Pena Santos has written: 'Los petroglifos gallegos' -- subject(s): Antiquities, Petroglyphs
Francisco J. de la Pena Nunez has written: 'El Terremoto: Una Version Coregida'
Ernesto Luiz de Oliveira has written: 'Ensino tecnico e desenvolvimento' -- subject(s): Technical education