Columbia subject headings:
Bulgaria--Politics and government--1944-
Markov, Georgi Mitrev.
Harvard subject headings:
Authors, Bulgarian--20th century--Biography.
Dissenters--Bulgaria--Biography.
Markov, Georgi, 1929-1978--Biography.
Princeton subject headings:
Authors, Bulgarian--20th century--Biography.
Dissenters--Bulgaria--Biography.
Markov, Georgi, 1929-1978--Biography.