Columbia subject headings:
Educators--Poland--Warsaw--Biography.
Holocaust, Jewish (1939-1945)--Poland--Warsaw.
Jews--Persecutions--Poland--Warsaw.
Korczak, Janusz, 1878-1942.
Warsaw (Poland)--Politics and government.
Harvard subject headings:
Educators--Poland--Warsaw--Biography.
Educators--Poland--Warsaw--Diaries.
Holocaust, Jewish (1939-1945)--Poland--Warsaw
Jews--Persecutions--Poland--Warsaw
Jews--Poland--Warsaw--Diaries.
Korczak, Janusz, 1878-1942
Korczak, Janusz, 1878-1942--Diaries.
Warsaw (Poland)--Politics and government.
Princeton subject headings:
Educators--Poland--Warsaw--Diaries.
Holocaust, Jewish (1939-1945)--Poland--Warsaw.
Jews--Persecutions--Poland--Warsaw.
Jews--Poland--Warsaw--Diaries.
Korczak, Janusz, 1878-1942--Diaries.
Warsaw (Poland)--Politics and government.