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| PG3515-3550 | Outside the Russian Federation | |||
| PG(3651)-(3698) | Special subjects | |||
| PG3801-3987 | Ukrainian | |||
| PG3990 | Carpatho-Rusyn | |||
| PG4001-5146 | Czech | |||
| PG5201-5546 | Slovak | |||
| PG5631-5689 | Sorbian (Wendic) | |||
| PG6001-7446 | Polish | |||
| PG7900-7925 | Lechitic dialects | |||
| PG8001-9146 | Baltic | |||
| PG8201-8208 | Old Prussian | |||
| PG8501-8772 | Lithuanian | |||
| PG8801-9146 | Latvian | |||
| PG9501-9665 | Albanian | |||
