Columbia subject headings:
Book industries and trade--Russia (Federation)--History--20th century--Directories.
Foreign trade promotion--Russia (Federation)--History--20th century--Directories.
Russian periodicals--Foreign countries--History--20th century--Directories.
Harvard subject headings:
Book industries and trade--Russia (Federation)--History--20th century--Directories.
Foreign trade promotion--Russia (Federation)--History--20th century--Directories.
Russian periodicals--Foreign countries--History--20th century--Directories.
Princeton subject headings:
Book industries and trade--Russia (Federation)--History--20th century--Directories.
Foreign trade promotion--Russia (Federation)--History--20th century--Directories.
Russian periodicals--Foreign countries--History--20th century--Directories.