| 1 (2) | Russian Academy of Sciences * | RUS |  |
| 2 (104) | Slovenian Academy of Sciences and Arts * | SVN | |
| 3 (108) | Scientific Research Center Slovenian Academy of Science and Arts | SVN | |
| 4 (194) | Academy of Sciences of the Czech Republic * | CZE | |
| 5 (216) | Romanian Academy * | ROU | |
| 6 (222) | Polish Academy of Sciences * | POL | |
| 7 (256) | Slovak Academy of Sciences * | SVK | |
| 8 (304) | Institute of Archaeology and Ethnography Russian Academy of Sciences | RUS | |
| 9 (435) | National Academy of Sciences of Ukraine * | UKR | |
| 10 (459) | Bulgarian Academy of Sciences * | BGR | |
| 11 (484) | Institute of Philosophy Russian Academy of Sciences | RUS | |
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