William Whewell's theory of scientific method / Edited with an introd. by Robert E. Butts. Theory of scientific method. Whewell, William, Butts, Robert E., editor. Science Philosophy. Science Methodology. Philosophy. Science. Q175 .W567 1968 192 WHT Includes bibliographical references. Pittsburgh : University of Pittsburgh Press c1968. c1968. 1968 Text ix, 358 p. ; eng