Russian historical archive relating to Spyridon Dionisevich Merkulov (1890-1957), businessman, Russian political and public figure, Head of the provisional Government of the Amur. Consisting of period photographs, Merkulov business card, personal letters with public documents when coming to the U.S, together with a Russian sterling presentation plaque reading, "In good memory to Spyridon Dionisovich Merkulov, from the Moscow Restaurant Service Association Vladivostock, 12/23/1912, plus historical family photographs including Merkulov family, wife, brother, soldiers, etc