Four 8vo volumes in contemporary black full leather bindings. Spines gilt ornamented, boards blind ornamented with gilt border lining. All edges gilt. Some corners with wear, else fine condition. Marbled endpapers. Bound by Lestringant, Paris, with his stamp. Interior some foxing mostly on the first and last pages in every volume, not heavy. (IV), VIII, 330 p. + (IV), 371 p. + (IV), 405 p. + (IV), 393 p.