Alexander Mramornov RU Stamps of Civil War in Russia (1918-1924)
Valentin Levandovskiy RU Development Advertisment of Russian Mailings
Yurii Obukhov RU Postal History of the Perm Governorate 1784-1919
Igor Ryss RU Belarus - History of Regular Post: 1778-1923
Lev Safonov RU Registered Mail of the Russian Empire
Yurii Obukhov RU Perm Post. From the Yam Chase to Trains and Steamships 1598-1917
Andrey Strygin RU The World of Stamps-magazine
JSC “MARKA” RU The Second (reissue, electronic version) "Stamps of the Russian Empire of 1857-1919, the RSFSR 1918-1923, and the USSR 1923-1960
JSC “MARKA” RU Catalogue Postage Stamps of the Russian Federation 2019-2021 (3 volumes)
Sergey Gevlich BY Letters and Postcards from the Polesie Region of Belarus
Vladislav Gevlich BY Postal History of the Provincial Town