Urgent questions of the day. [A slightly revised and abbreviated report of a speech delivered on the first item of the agenda of the XI Plenum of the E.C.C.I. on March 31st 1931].

Urgent questions of the day. [A slightly revised and abbreviated report of a speech delivered on the first item of the agenda of the XI Plenum of the E.C.C.I. on March 31st 1931].