Title: Bratʹi︠a︡ Bulgakovy
Subjects: Correspondence, Postmasters, Postal service, Intellectual life
Places: Saint Petersburg, Moscow (Russia), Moscow, Russia (Federation), Saint Petersburg (Russia), Russia
People: Aleksandr I︠A︡kovlevich Bulgakov (1781-1863), Konstantin I︠A︡kovlevich Bulgakov (1782-1835)
Time periods: 1801-1917, 19th century