Editing Distributed Proofreaders (section)

=== 20,000th E-book ===
On April 10, 2011, the 20,000th book milestone was celebrated as a group release of bilingual books:<ref>[http://blog.pgdp.net/2011/04/09/distributed-proofreaders-celebrates-20000-books-posted/ Distributed Proofreaders celebrates 20,000 books posted] {{Webarchive|url=https://web.archive.org/web/20110619033646/http://blog.pgdp.net/2011/04/09/distributed-proofreaders-celebrates-20000-books-posted/ |date=2011-06-19 }}, Distributed Proofreaders, April 10, 2011</ref>
* ''The Renaissance in Italy–Italian Literature, Vol 1'', [[John Addington Symonds]] (English with Italian)
* ''Märchen und Erzählungen für Anfänger; erster Teil'', [[H. A. Guerber]] (German with English)
* ''Gedichte und Sprüche'', [[Walther von der Vogelweide]] (Middle High German ({{circa|1050}}–1500) with German)
* ''Studien und Plaudereien im Vaterland'', [[Sigmon Martin Stern]] (German with English)
* ''Caos del Triperuno'', [[Teofilo Folengo]] (Italian with Latin)
* ''Niederländische Volkslieder'', [[Hoffmann von Fallersleben]] (German with Dutch)
* ''A "San Francisco"'', [[Salvatore Di Giacomo]] (Italian with Neapolitan)
* ''O' voto'', Salvatore Di Giacomo (Italian with Neapolitan)
* ''De Latino sine Flexione'' & ''Principio de Permanentia'', [[Giuseppe Peano]] (1858–1932) (Latin with Latino sine Flexione)
* ''Cappiddazzu paga tuttu—Nino Martoglio'', [[Luigi Pirandello]] (Italian with Sicilian)
* ''The International Auxiliary Language Esperanto'', [[George Cox (writer)|George Cox]] (English with Esperanto)
* ''Lusitania: canti popolari portoghesi'', [[Ettore Toci]] (Italian with French)