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René
Charles Adam and Paul Tannery were the preeminent scholars responsible for this landmark 12-volume edition, which remains the standard reference for Cartesian studies today.
This was the French government body responsible for education and culture; its sponsorship indicates the national importance of this publication.
Printer's mark consisting of a large ornamental capital letter 'C' framing a circular emblem. Inside the emblem, a winged griffin stands on a pedestal inscribed with the Latin motto "NOT OF A SINGLE BOOK" Original Latin: "NON UNIUS LIBRI". This motto, used by the publisher Léopold Cerf, suggests a commitment to a diverse and scholarly catalog rather than a narrow focus..