Short description: In Russian. Helvetius, Claude Adrien. The True Meaning of the System of Nature. Moscow: New Moscow, 1923. Istinnyy smysl sistemy prirody. In Russian /The True Meaning of the System of Nature. The image is provided for reference only. It may reflect condition of one of the available copies or only help in identifying the edition. Please feel free to contact us for a detailed description of the copies available. SKU9125780