1852-1912, Leedu ulaanirügemendi rittmeister, Vene Püssirohu Tootmise Seltsi direktor - - - 1852-1912, Rittmeister of the Lithuanian Uhlan Regiment, chief of the Russian Society for the Manufacture of Black Powder Autor / Author: Julius Hoffmann, Bad Kissingen Viitekood / Reference code: EAA.1850.1.907.1 Kirje andmebaasis FOTIS / Description in the database FOTIS: www.ra.ee/fotis/index.php?type=2&id=2907