Rameau's Nephew - Online English translation by Ian Johnston of this 1762 work by Diderot. Includes links to the French text. - http://www.mala.bc.ca/~johnstoi/diderot/rameau_E.htm
D'Alembert's Dream - An online English translation of this didactic Diderot drama from 1769. - http://www.mala.bc.ca/~johnstoi/diderot/revedalembert_tofc.htm
Conversation Between D'Alembert and Diderot - Diderot's dialogue of 1769, promoting a materialist explanation of consciousness. - http://www.marxists.org/reference/subject/philosophy/works/fr/diderot.htm