Vatican Apostolic Library

A view of the Vatican Apostolic Library, Vatican City, Monday, Sept. 13, 2010. The Vatican's Apostolic Library is reopening to scholars following a three-year renovation to improve its cataloguing and security measures.The library, which houses one of the world's best collections of illuminated manuscripts, opens its doors Sept. 20. Details will be announced Monday at a press conference. The library was started by Pope Nicholas V in the 1450s with an initial 350 Latin manuscripts. By the time Nicholas died in 1455, the collection had swelled to about 1,500 codices and was the largest in Europe. (AP Photo/Pier Paolo Cito)

Manuscripts are seen in the renovated Vatican Apostolic Library during its unveiling at the Vatican, September 13, 2010. Following three years of renovation and reconstruction, the library is set to reopen to scholars on September 20, 2010 with improved infrastructure and security measures and easier access to catalogued works, according to the Holy See Press Office. REUTERS/Alessia Pierdomenico (VATICAN - Tags: RELIGION)

A photographer takes a picture of the Sistine Hall, part of the renovated Vatican Apostolic Library, during its unveiling at the Vatican, September 13, 2010. Following three years of renovation and reconstruction, the library is set to reopen to scholars on September 20, 2010 with improved infrastructure and security measures and easier access to catalogued works, according to the Holy See Press Office. REUTERS/Alessia Pierdomenico (VATICAN - Tags: RELIGION)

epa02334471 Books at the Vatican Apostolic Library, Vatican City, 13 September 2010. The Vatican's Apostolic Library is reopening following a three-year renovation works. The library, which houses about 65,000 manuscripts as well as the 'Codex B', the oldest known complete Bible dating from about 325 A.D., will open its doors on 20 September 2010 EPA/GIUSEPPE GIGLIA

Old books are displayed in the reading room of the Apostolic Library of the Vatican on September 13, 2010, after its reopening. The Vatican's Apostolic Library reopened to scholars following a three-year renovation to improve its cataloguing and security. AFP PHOTO / CHRISTOPHE SIMON (Photo credit should read CHRISTOPHE SIMON/AFP/Getty Images)

Books are shelved at the Vatican Apostolic Library, Vatican City, Monday, Sept. 13, 2010. The Vatican's Apostolic Library is reopening to scholars following a three-year renovation to improve its cataloguing and security measures.The library, which houses one of the world's best collections of illuminated manuscripts, opens its doors Sept. 20. Details will be announced Monday at a press conference. The library was started by Pope Nicholas V in the 1450s with an initial 350 Latin manuscripts. By the time Nicholas died in 1455, the collection had swelled to about 1,500 codices and was the largest in Europe. (AP Photo/Pier Paolo Cito)

Journalists walk among shelves in the Apostolic Library of the Vatican on September 13, 2010, after its reopening. The Vatican's Apostolic Library reopened to scholars following a three-year renovation to improve its cataloguing and security. AFP PHOTO / CHRISTOPHE SIMON (Photo credit should read CHRISTOPHE SIMON/AFP/Getty Images)

epa02334474 A view of the outside facade of the Vatican Library, in the Belvedere courtyard, Vatican City, 13 September 2010. The Vatican's Apostolic Library is reopening following a three-year renovation works. The library, which houses about 65,000 manuscripts as well as the 'Codex B', the oldest known complete Bible dating from about 325 A.D., will open its doors on 20 September 2010 EPA/GIUSEPPE GIGLIA