QUETELET, Lambert Adolphe Jacques. Sciences Mathématiques et Physiques, Brussels: H. Thiry-Van Buggenhoudt, 1866, 8° (first and last few leaves spotted), contemporary half calf and marbled boards (front cover detached) -- Marie CURIE, J. BECQUEREL, M. de BROGLIE [and others]. Les Progrès de la Physique moléculaire, Conférences faites en 1913-1914, Paris: Gauthier-Villars, 1914, 8°, illustrations, original printed wrappers (spine faded, a few tears), partly unopened. With 11 other works, one in 7 volumes. (19)