Constellation Similarity Assertions
Demens, Peter A., 1850-1919
Author. Born Pyotr Alekseyevich Dementyev; a Russian nobleman and an officer of the Tsar's guards. Also went by P.A. Tverskoĭ.
From the description of Peter A. Demens papers, 1892-1939. (Unknown). WorldCat record id: 71069145
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Maybe-Same Assertions
There are 1 possible matching Constellations.
Demens, P. A.
http://n2t.net/ark:/99166/w6gs0cz6 (person)
No biographical history available for this identity.