Tenth anniversary of the newspaper Pravda, 1922, Bukharin the chief editor sits center of second row to the right of Mariia Iliinichna (Lenin’s sister) Published May 1, 2015 at 2777 × 1978 in Nikolai Bukharin on the criterion of practice in epistemology ← Previous Next → With lightning telegrams:FacebookTwitterTumblrMoreRedditPinterestLike this:Like Loading...