Bukharin between Stalin and Sergo Ordzhonikidze, atop the Lenin Mausoleum, October 1929, a month before he was expelled from the leadership Published May 1, 2015 at 2829 × 2011 in Nikolai Bukharin on the criterion of practice in epistemology ← Previous Next → With lightning telegrams:FacebookTwitterTumblrMoreRedditPinterestLike this:Like Loading...