Columbia subject headings:
Benkovski, Georgi, approximately 1841-1876.
Bulgaria--History--1762-1878.
Haiduks--Bulgaria--Biography.
Revolutionaries--Bulgaria--Biography.
Harvard subject headings:
Benkovski, Georgi, approximately 1841-1876.
Bulgaria--History--1762-1878.
Haiduks--Bulgaria--Biography.
Revolutionaries--Bulgaria--Biography
Princeton subject headings: