PU Slav/Germ Manual: Descriptive Cataloging: CP Codes: Russia
Slavic/Germanic Manual
Descriptive Cataloging
Country of Publication Codes: Russia
Before 1993(?) the country of publication codes for the countries of the Former Soviet Union had a final "r" but after the dissolution, the "r" was dropped.
See also: Headings for the Republics of the Former Soviet Union for a list of codes.