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| Data sets | Publications | Expeditions | Thesaurus |
Tatar Arch  | |
|---|---|
| BT | Commonwealth of Independent States |
| .Russian Federation | |
| ..Tatar Arch | |
| BT | Europe |
| .Tatar Arch | |
| RT | Tatar Russian Federation |
| SN | E central European Russian Federation centering on former Tatar A.S.S.R. This term has multiple hierarchies. |