Text in Russian. Small folio (11-1/2" x 8") half leather. Spine gilt decorated and ruled, green cloth to boards titled in gilt; top edges gilt. Bindings almost uniform, vol. IV leather just a tad different and decorative endpapers vary. Uniform original lithographed publisher's wrappers bound in. Ornate head and tail pieces, many in-text b/w illustrations, tissue-protected lithographed color plates, double-page b/w plates and documents in facsimile. Vol. I: vi+436pp.; Vol. II: 408pp.; Vol. III: 569pp.; Vol. IV: 651pp.