N. Mandelstam, André Keywords: Soviet Union | Mediterranean Sea | Dardanelles | Straits | Mots clefs: Union des républiques socialistes soviétiques | Méditerranée | Dardanelles | ABSTRACT Andre Mandelstam begins his course with a presentation of Russia’s policy in the Straits during the period from 1900 to 1907. He then studies the Austro-Russian crises of 1908-1909, the Russia’s diplomatic action at Constantinople in 1911, and the policy followed by Russia in Balkans during the same year. He then focuses on Russia’s poli…