N.M. Knipovich, Professor of the Caspian Sea and its fisheries. /Knipovich N.M., prof. Kaspiyskoe more i ego promysly. With a map of the currents and depths of the Caspian Sea and drawings. Series: Essays on the nature and crafts of the Russian seas Berlin: State Publishing House 1923 VIII, 87 p. We have thousands of titles and often several copies of each title may be available. Please feel free to contact us for a detailed description of the copies available. SKUalb5868a6b3d70ca9e4