Les fondements de la théorie de la relativité générale - Théorie unitaire de la gravitation et de l'électricité - Sur la structure cosmologique de l'espace

First edition of the French translation, illustrated with a photographic portrait of Albert Einstein as frontispiece.

A small loss at the foot of the spine, which also shows rubbing along the joints, upper right corner of the front board starting to come loose, a slight marginal tear just below, pleasant internal condition, manuscript bookplate at the head of a flyleaf.

Annotations and markings in red pen on pages 8 and 9.

Work illustrated with figures in the text.