Text ( visual ) : unmediated The history of political thought : a short introduction / R.N. Berki. -- London : Dent , 1977. -- vi, 216 p. ; 24 cm. -- (Everyman's university library). -- Includes bibliographical references (p. [208]-213) and index. -- ISBN 0460101773 ; (BD0502824X) ; https://ci.nii.ac.jp/ncid/BD0502824X Author Heading(s): Berki, R. N.