Amsterdam: B.R. Grüner N. V. 1973. Paperback. ix+180p., softbound; preface, footnotes, appendixes, index, cover a bit crimped and edgeworn, otherwise a very good first edition in original wraps. Philosophical Currents Vol. 5.
A collection of studies of the work of Marxists and other progressives, both Soviet and Western, between the late 1960s and early 1970s.