Columbia subject headings:
Bulgaria--History--Uprising, 1876--Sources.
Bulgaria--History--Uprising, 1876.
Schuyler, Eugene, 1840-1890.
Harvard subject headings:
Bulgaria--History--Uprising, 1876.
Schuyler, Eugene, 1840-1890.
Princeton subject headings:
Bulgaria--History--Uprising, 1876.
Schuyler, Eugene, 1840-1890.