1. For the Strengthening of the Cadres of Rural Party Workers;Izvestiia Tsentral'nogo Komiteta Rossiiskoi Kommunisticheskoi Partii (Bolshevikov) (News of the CCRKP [b]),1929
2. Jasny , op. dt., p. 299 et seq. and p. 327 et seq
3. Lar'kina , op. cit., p. 43
4. The Struggle for the Party Line and against Opportunism in Practice;Strel'stov;Bolshevik,1929