[en] Overview
[es] Sumario
[fr] Sommaire
[en] Project Gutenberg is 40 years old
[es] El Proyecto Gutenberg tiene 40 años
[fr] Le Projet Gutenberg a 40 ans
[en] From the past to the future
[es] Desde el pasado hacia el futuro
[fr] Du passé vers l'avenir
[en] Project Gutenberg and languages
[es] El Proyecto Gutenberg y los idiomas
[fr] Le Projet Gutenberg et les langues
[en] Distributed Proofreaders is 10 years old
[es] Distributed Proofreaders tiene 10 años
[fr] Distributed Proofreaders a 10 ans
[en] Acknowledgements
[es] Agradecimientos
[fr] Remerciements