R.S.F.S.R.) International Geological Congress (17th 1937 Moscow and Leningrad

• The Petroleum excursion, the Azerbaijanian Soviet Socialist Republic
• The Petroleum excursion, the Daghestanian and Chechenian-Ingushetian ASSR
• The Petroleum excursion, The Georgian Soviet Socialist Republic
• The Petroleum excursion, the Kuban-Black Sea Region
• The Petroleum excursion, the Permian Prikamye, the Bashkirian ASSR, the Samarskaya Luka