Benno, P. The political aspect: Peter Benno. Soviet literature in the sixties : an international symposium.(1964).

Benno, Peter. "The Political Aspect: Peter Benno." Soviet Literature in the Sixties : An International Symposium.(1964) .

Benno, Peter. "The Political Aspect: Peter Benno." Soviet Literature in the Sixties : An International Symposium.(1964), .