Russia / United States / Kingdom of Poland / Finland / /
Facility
National Postal Museum / The Smithsonian Institution’s National Postal Museum / /
IndustryTerm
philatelic magazine / /
NaturalFeature
Caucasus / /
Organization
Rossica / Rossica Society of Russian Philately / Rossica Society of Russian Philately Kaestlin / Smithsonian Institution / G.H. Kaestlin / Smithsonian / Rossica Society / British Society of Russian Philately / /
Person
Karl Schmidt / Leon Finik / Theo Lavroff / David Skipton / Alexander II / N. Szymanowski / Thomas Lera / /
Position
author / collector / President / author and researcher / Tsar / representative / /