Bulletin of the Opposition, reproduction of the first page of the first issue from July 1929 (issued by L. D. Trockij)
Unknown author<span style="display: none;">Unknown author</span>
before 1 July 1929 <div style="display: none;">date QS:P,+1929-07-01T00:00:00Z/7,P1326,+1929-07-01T00:00:00Z/11</div>
scan by User:-jkb-