CASAUBON (Isaac). Historiae Augustae scriptores sex. Paris, Ambroise et Jérôme Drouart, 1603 [followed by] CASAUBON (Isaac). Aelium Spartianum, Iulium Capitolinum, Aelium Lampridium, Vulcatium Gallicanum, Trebellium Pollionem, Flavium Vopiscum. Paris, Ambroise Drouart, 1603. 2 works in one in-8 volume. Bound in full contemporary fawn morocco, the boards framed with frieze and double fillet and with fleur-de-lys, 5-rib spine decorated with fleur-de-lys, all edges gilt. Handwritten ex-praemio signed Guignard and dated 1657. Ex-libris Josy Mazodier and handwritten ex-libris "Jac. Ribieri amicorum" (probably Jacques Ribier, member of the Paris Parliament and author of Discours sur le Gouvernement des Monarchies et Principautez souveraines), and "Michaelis Riberii dono patris...". (very slight damage to spine) Expert : Mr. Nicolas Asvisio