| Main index | Contents of Onomastikon |
| Introduction | Aims and intentions |
| Sources | Booklist and acknowledgements |
| Russia | History, Rulers, Republics, Names, Greek, Latin, Biblical, Germanic, Slavic, Various, Surnames |
| Europe and the Caucasus | Belarus, Ukraine, Moldavia, Georgia, Armenia, Azerbaijan, Caucasus |
| Baltic States | Estonia, Latvia, Lithuania, (Finland) |
| Asian Republics | Kazakhstan, Kirghizstan, Uzbekistan, Turkmenistan, Tajikistan |