[SCIENCE AND TECHNOLOGY] EINSTEIN, Albert. Über die spezielle und die allgemeine Relativitätstheorie. Braunschweig, 1917. 8o. Original wrappers. -- Relativity. New York, [1920]. 8o. Original cloth. FIRST AMERICAN EDITION. -- Another copy. London, [1920]. FIRST ENGLISH EDITION. -- FREUD, Sigmund. Zur Psychopathologie des Alltagslebens. Berlin, 1912. 8o. Original cloth. -- FISCHER, Dr. J. Geschichte der Geburtshilfe. Leipzig and Wien, 1909. 8o. Original wrappers. Modern leather slipcase. [With:] 2 ALS from Fischer to Prof. Philipps dated 7 March 1939 and 28 February 1939. -- [With:] TROTSKY, Leo. Geschichte der Russischen Revolution. Berlin, 1931. 8o. Original wrappers (upper cover detached). Advanced copy. -- 4 photographs of and relating to Thomas Edison and 4 schematics of power plant machinery. (13)