Columbia subject headings:
Harvard subject headings:
Italy--Foreign relations--Soviet Union--Sources.
Italy. Ministero degli affari esteri.
Soviet Union--Foreign relations--1917-1945--Sources.
Soviet Union--Foreign relations--Italy--Sources.
Soviet Union--Foreign relations--Sources.
Soviet Union. Ministerstvo inostrannykh del.
Princeton subject headings:
Italy--Foreign relations--Soviet Union--Sources.
Italy. Ministero degli affari esteri
Soviet Union--Foreign relations--Italy--Sources.
Soviet Union--Foreign relations--Sources.
Soviet Union. Ministerstvo inostrannykh del