Reichenbach, Hans, 1891- From Copernicus to Einstein / Hans Reichenbach - New York : Philosophical library, 1942 - 123 p. ; 24 cm. Subjects--Personal Names: Copernicus, Nicolaus, 1473-1543 Einstein, Albert, 1879-1955 Subjects--Topical Terms: Relativity (Physics)Astronomy--History