Des méthodes dans les sciences de raisonnement. [2 parts in 1 binding].

Duhamel, L.-M.-C.

Gauthier-Villars, Imprimeur-Libraire, Paris, 1865-1866

22 x 15 cm, half leather hardcover, x, 94, xiv, 450 pages, Text in French, stain on spine, leather slightly rubbed, ex-libris, paper browned, some spots/ foxing, although still in (very) good condition, see picture.