Ann Tolstoy, Oral Histories, City of Cucamonga, California The Historical Marker Database Demens' Marker in St. Petersburg, Florida When Florida Boom Went Bust, Russian Nobleman Turned To Writing, By Jim Robison, Orlando Sentinel, March 23, 2003. Дементьев Петр Алексеевич // Иванян Э. А. Энциклопедия российско-американских отношений. XVIII-XX века. — Москва: Международные отношения, 2001. — 696 с. — . Russian nobility 1850 births 1919 deaths People from St. Petersburg, Florida American city founders People from Vesyegonsky District Emigrants from the Russian Empire to the United States 19th-century American businesspeople