En los trabajos que hemos hecho, hemos utilizado bancos de recursos libres, y páginas de información como estas que os dejamos aquí abajo:


**Wikipedia** Acceso general http://www.wikipedia.org/

**Wikipedia** http://en.wikipedia.org/wiki/Main_Page

**Wikipedia en español** http://es.wikipedia.org/wiki/Wikipedia:Portada

**Wikimedia Commons** http://commons.wikimedia.org/wiki/Portada

**Wikisource** http://en.wikisource.org/wiki/Main_Page

**Wikispecies** http://species.wikimedia.org/wiki/Main_Page

**Wikiversity** http://en.wikiversity.org/wiki/Wikiversity:Main_Page

**WP Clipart** http://www.wpclipart.com/

**Clker** http://www.clker.com/

**PDClipart.org** http://www.pdclipart.org/

**Nicu’s Clipart collection** http://clipart.nicubunu.ro/

**Public Domain Photos** http://www.public-domain-photos.com/

**Public Domain Cliparts** http://www.public-domain-photos.com/free-cliparts/

**Photos8** http://www.photos8.com/

**Public Domain Image** http://www.public-domain-image.com/

**Public Domain Pictures.net** http://www.publicdomainpictures.net/

**Free Stock Photos** http://www.freephotos.lu/

**Republic Domain** http://www.republicdomain.com/

**Public-photos net** http://public-photo.net/

**Easy Stock Photos** http://www.easystockphotos.com/

**Gimp Savvy** http://gimp-savvy.com/PHOTO-ARCHIVE/

**Open Clip Art Library** http://www.openclipart.org/

**PD Photo** http://pdphoto.org/

**Public Domain Stock Photo** http://www.logodesignweb.com/stockphoto/

**Images in the Public Domain** http://srufaculty.sru.edu/david.dailey/public/public_domain.htm

**FreePhotos.se** http://www.freephotos.se/

**Public Domain Pagan Clipart** http://www.angelfire.com/pa2/sacredspiral/

**Public Domain Footage** http://www.publicdomainfootage.com/

**Finally Creative** http://finallycreative.com/gallery/

**Photos gratuites** http://www.gratuites-photos.com/

**PDDepot** http://pddepot.com/

**Jampot** http://www.jampot.eu/public_domain_gen.php