A fully searchable HTML edition of Descartes' Meditations in English, Latin, and French. The original Latin edition of 1641; The Duc de Luynes French translation of 1647; The John Veitch English translation of 1901
Fully searchable e-texts of a selection of Descartes' writings in English, French, and Latin.
This digital library is ever-expanding and hosted by Bibliothèque nationale de France. It has multiple primary and secondary sources, mostly in French and latin, available on Descartes, including his correspondence.