First edition. Handsome copy despite two small tears and two slight lacks at head and foot of spine. Precious signed autograph inscription by Joachim Herlant: "A monsieur Bergson professeur au Collège de France, hommage de respectueuse reconnaissance. Joachim Herlant." ["To Mr. Bergson professor at the Collège de France, tribute of respectful recognition. Joachim Herlant."]