Vol.I & III first edition, vol.II second edition, folio, half-title and engraved frontispiece portrait to each vol., engraved title vignettes, head- & tail-pieces and initials, vol.III frontispiece mounted onto verso of half-title, overall internally very good, vol.I & II bound in contemporary speckled calf, both rebacked preserving contemporary backstrips with elaborate gilt compartments, vol.III bound in full modern speckled calf to matching style.