BROGLIE, Louis, Prince de. Nouvelles perspectives en microphysique. 8o. Original printed wrappers. FIRST EDITION, PRESENTATION COPY, INSCRIBED BY BROGLIE on the half-title: "A Madam Andre Goudit en hommage... Louis de Broglie," and inscribed by Catherine Cheralley to Paulette Févier, 1994. A collection of several papers written during the 1950s, many of them pertaining to de Broglie's continuing efforts to find a causal explanation of wave mechanics. -- Untersuchungen zue Quantentheorie. Offprint from: Annales de Physique 10, III. Leipzig: Akademische Verlaggesellschaft, 1927. 8o. Original printed wrappers. FIRST GERMAN EDITION, offprint issue. -- Waves and Corpuscles in Modern Physics. Offprint from: The Smithsonian Report for 1930. Washington, D.C.: United States Government Printing Office, 1931. 8o. Photographic plates. Original wrappers. FIRST AMERICAN EDITION, offprint issue. -- Physics and Microphysics. New York: Pantheon, 1955. 8o. Original cloth; dust jacket. FIRST AMERICAN EDITION, translated by Martin Davidson and with a Foreword by Albert Einstein. -- Introduction to the Vigier Theory of Elementary Particles. Amsterdam: Elsevier, 1963. 8o. Original cloth; dust jacket. FIRST EDITION IN ENGLISH. [With:] BROGLIE, Maurice de and Louis de BROGLIE. Introduction a la physique des rayons X et gamma. Paris: Gauthier-Villars, 1928. 8o. Original wrappers. FIRST EDITION. -- BROGLIE, Maurice de. X-Rays. Translated by J.R. Clarke. London: Methuen, 1925. 8o. Plates. Original cloth. FIRST ENGLISH EDITION. (7)