Text ( visual ) : unmediated The aims of a penal system / Nigel Walker. -- Edinburgh : Edinburgh University Press , c1966. -- 29 p. ; 20 cm. -- (The James Seth memorial lecture ; 1966). -- Bibliography: p. [30]. -- (BA10973934) ; https://ci.nii.ac.jp/ncid/BA10973934 Author Heading(s): Walker, Nigel. -- Classification(s): LCC : HV8665 ; DC : 365. -- Subject Heading(s): LCSH : Prisons -- Addresses, essays, lectures