Cours de Philosophie Positive, par Auguste Comte, Troisieme Edition, 1869; Augmentee d'une Preface par E. Littre, et d'une Table alphabetique des matieres. ALL TEXT IN FRENCH. Published, Paris, by J.B. Bailliere et Fils.
Five Volume set of hardbacks, bound in half-leather boards, with some wear to corners and spine; some damage to titles on spine; bindings tight, very minor foxing to some pages. See photos.
The books happen to include two small handwritten letters dated May 1st 1886, addressed to a Mrs Hannen from James Bisset; the content of the letters bears no relation to the subject matter of the books.