University of Leeds, Joseph Roth Symposium, & Chambers, H. (1991). Co-existent contradictions: Joseph Roth in retrospect: Papers of the 1989 ; Joseph Roth Symposium at Leeds University to commemorate the 50th anniversary of his death. Ariadne Press.

University of Leeds, Joseph Roth Symposium, and Helen Chambers. Co-existent Contradictions: Joseph Roth in Retrospect: Papers of the 1989 ; Joseph Roth Symposium at Leeds University to Commemorate the 50th Anniversary of His Death. Riverside, California: Ariadne Press, 1991.

University of Leeds, et al. Co-existent Contradictions: Joseph Roth in Retrospect: Papers of the 1989 ; Joseph Roth Symposium at Leeds University to Commemorate the 50th Anniversary of His Death. Ariadne Press, 1991.