According to gutindex-2006 Archived 13 November 2012 at the Wayback Machine, there were 1,653 new Project Gutenberg items posted in the first 33 weeks of 2006.
Consultado o 2006-12-05.  De acordo co gutindex-2006, publicáronse 1.653 novos ítem no Proxecto Gutenberg nas primeiras 33 semanas de 2006.