Columbia subject headings:
Soviet Union--Relations--Syria.
Soviet Union--Relations--United States.
Syria--Foreign relations.
Syria--Relations--Soviet Union.
Syria--Relations--United States.
United States--Relations--Soviet Union.
United States--Relations--Syria.
Harvard subject headings:
Soviet Union--Foreign relations--Syria.
Syria--Foreign relations--20th century.
Syria--Foreign relations--Soviet Union.
Syria--Foreign relations--United States.
Syria--History--20th century
Syria--Politics and government--20th century.
United States--Foreign relations--Syria.
Princeton subject headings:
Soviet Union--Foreign relations--Syria.
Syria--Foreign relations--20th century.
Syria--Foreign relations--Soviet Union.
Syria--Foreign relations--United States.
Syria--History--20th century.
Syria--Politics and government--20th century.
United States--Foreign relations--Syria.