Studies in the history and methods of the sciences. Arthur David Ritchie, Ritchie, Arthur David, 1891-1967. Science History. Science Methodology. Q125 .R55 501 RIS Includes bibliography. Edinburgh : University Press, c1958. c1958. 1958 Text 229 p. eng Edinburgh University publications; history, philosophy, and economics, 2 Edinburgh University publications. History, philosophy & economics ; 2.