[1] Fourth edition of the Soviet Philatelic Association catalogue published in 1933 under the editorship of V. Modestov also included a listing of the USSR postage advertising stamps [Wikidata] as well.
In 1955, in Moscow the next edition of the Soviet Union stamp catalogue was published.
It was printed by the Chief Philatelic Bureau of the Ministry of Culture of the RSFSR.
In 1970, a new edition, The Catalogue of Postage Stamps of the USSR, 1918–1969, was published in Moscow.
[2] In 1976, the publication of The Catalogue of Stamps of the USSR, 1918–1974 occurred followed up by annual additions.