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| Title | Letter A.I.Philosopher from [Extraordinary Messenger and Commissioner of the Minister of Russia in the Netherlands] Baron [French Petrovich] Maltitz (Maltitz) |
|---|---|
| Series | 1620-1914 |
| Fonds | Philosophers Alexey Illarionovich (1799-1874), Adjutant General, teacher of the Grand Dukes of Nikolai and Mikhail Nikolayevichs, temporary military governor of St. Petersburg |
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