"Encyclopedia". Archived from the original on 2007-08-03. Retrieved 2012-04-05. Glossary of Library Terms. Riverside City College, Digital Library/Learning Resource Center. Retrieved on: November 17, 2007.
Denis Diderot and Jean le Rond d'Alembert Encyclopédie. University of Michigan Library:Scholarly Publishing Office and DLXS. Retrieved on: November 17, 2007
"Encyclopedia". Archived from the original on 2007-08-03. Retrieved 2012-04-05. Glossary of Library Terms. Riverside City College, Digital Library/Learning Resource Center. Retrieved on: November 17, 2007.