Columbia subject headings:
Petrova, Svoboda, 1935-
Turcologists--Bulgaria--Biography.
Turcologists--Turkey--Biography.
Harvard subject headings:
Petrova, Svoboda, 1935-
Turcologists--Bulgaria--Biography.
Turcologists--Turkey--Biography.
Princeton subject headings:
Petrova, Svoboda, 1935-
Turcologists--Bulgaria--Biography.
Turcologists--Turkey--Biography.