99. Grotius (Hugo) De Mari Libero, engraved title, ink name and mark on verso of front fly-leaf, contemporary calf, gilt, rubbed, worn at corners, [Ter Meulen & Diermanse 545; Willems 385], Leiden, ex officina Elzeviriana, 1633; and another Elzevir, 1655, 24mo & 12mo (2)
est. £150 – £200