Sakharov, Andrei Dmitrievich, 1921- Progress, coexistence , and intellectual freedom / by Andrei D. S akharov ; transalted by the New York Times ; with an introduction and a fterword , and notes by Harrison E. Salisbury. - New York : W.W. Nortion , 1968. - 158 p. ; 21 cm. Subjects--Topical Terms: Civilization, Modern--1950- Dewey Class. No.: 901.94 SAK