Columbia subject headings:
Authors, Greek (Modern)--20th century--Biography.
Authors, Greek (Modern)--21st century--Biography.
Pappa, Hellē--Imprisonment.
Political prisoners--Greece--Biography.
Harvard subject headings:
Authors, Greek (Modern)--20th century--Biography.
Authors, Greek (Modern)--21st century--Biography.
Belogiannēs, Nikos, 1915-1952.
Pappa, Hellē--Imprisonment.
Pappa, Hellē.
Political prisoners' writings.
Political prisoners--Greece--Biography
Women political prisoners--Greece--Correspondence.
Princeton subject headings:
Belogiannēs, Nikos, 1915-1952.
Journalists--Greece--Correspondence.
Pappa, Hellē--Imprisonment.
Personal correspondence.
Political prisoners' writings.
Women political prisoners--Greece--Correspondence.