[Philosophy] Rousseau and Voltaire. total 2.

1. Les Pensées de J.J. Rousseau, Citoyen de Genève, à Amsterdam, 1764 and 2. Verhandeling over de misdaaden en straffen [...][Beccaria, Cesare] waar by de verklaaring op dit werkje van den Heere de Voltaire, Amsterdam, Gerrit Bom, 1768.

1. 12mo., half leather with marbled sides, gilt-stamped title on spine. Ex-libris with dedication in ink, final page has notes in ballpoint, VIII,311 p. 2. 8vo., marbled paper cover, (14),196 p., first pages have some brown stains.