Columbia subject headings:
Harvard subject headings:
Bulgaria--Foreign relations--Greece.
Bulgaria--History--Alexander, 1879-1886.
Eastern Rumelia--History--Union with Bulgaria, 1885.
Greece--Foreign relations--Bulgaria.
Greeks--Eastern Rumelia--History.
Princeton subject headings:
Bulgaria--Foreign relations--Greece.
Bulgaria--History--Alexander, 1879-1886.
Eastern Rumelia--History--Union with Bulgaria, 1885.
Greece--Foreign relations--Bulgaria.
Greeks--Eastern Rumelia--History.