Columbia subject headings:
Kurds--Syria--History--21st century.
Kurds--Syria--Politics and government--21st century.
Partiya Karkerên Kurdistanê--History.
Russia (Federation)--Relations--Syria.
Syria--Foreign relations--United States.
Syria--History--Civil War, 2011-
Syria--Politics and government--21st century.
Syria--Relations--Russia (Federation)
United States--Foreign relations--Syria.
Ḥizb al-Baʻth al-ʻArabī al-Ishtirākī (Syria)--History.
Harvard subject headings:
Kurds--Syria--History--21st century.
Kurds--Syria--Politics and government--21st century.
Partiya Karkerên Kurdistanê--History.
Russia (Federation)--Relations--Syria.
Syria--Foreign relations--United States.
Syria--History--Civil War, 2011-
Syria--Politics and government--21st century.
Syria--Relations--Russia (Federation)
United States--Foreign relations--Syria.
Ḥizb al-Baʻth al-ʻArabī al-Ishtirākī (Syria)--History.
Princeton subject headings: