Columbia subject headings:
Harvard subject headings:
Holocaust, Jewish (1939-1945)--Albania.
Holocaust, Jewish (1939-1945)--Bulgaria.
Holocaust, Jewish (1939-1945)--North Macedonia
Holocaust, Jewish (1939-1945)--Thrace.
Jews--Bulgaria--History--20th century.
Righteous Gentiles in the Holocaust--Bulgaria--History--20th century.
Princeton subject headings:
Holocaust, Jewish (1939-1945)--Albania.
Holocaust, Jewish (1939-1945)--Bulgaria.
Holocaust, Jewish (1939-1945)--Macedonia (Republic).
Holocaust, Jewish (1939-1945)--Thrace.
Jews--Bulgaria--History--20th century.
Righteous Gentiles in the Holocaust--Bulgaria--History--20th century.