Columbia subject headings:
Cogan, Jehuda--Imprisonment.
Israelis--Soviet Union--Biography.
Political prisoners--Soviet Union--Biography.
Soviet Union. Komitet gosudarstvennoĭ bezopasnosti.
Harvard subject headings:
Jews--Persecutions--Soviet Union.
Kogan, Yehudah. (Harvard local name)
Princeton subject headings:
Cogan, Jehuda.
Holocaust, Jewish (1939-1945)--Soviet Union--Personal narratives.
Jews--Soviet Union.
Prisoners--Soviet Union--Biography.
Soviet Union. Komitet gosudarstvennoĭ bezopasnosti