Buchanan, Scott, 1895-1968. The doctrine of signatures : a defence of theory in medicine / by Scott Buchanan ... - London : K. Paul, Trench, Trubner & co., ltd., 1938. - xiv p., 1 l., 205 p. ; 22 cm. - International library of psychology, philosophy and scientific method . Includes index Subjects--Topical Terms: Signatures (Medicine) Dewey Class. No.: 610.1 / BUD 1938