Korczak’s most known writings from his time at Sienna/Sliska street are his diaries of May–August 1942. However there are other important writings that was taken from Kroczaks room at Sienna 16 by my father, Michal Wasserman Wróblewski.
Only 65 of 90 writings came to light in 1988 and were published in 1992.
JANUSZ KORCZAKGHETTO DIARYWITH AN INTRODUCTION BY BETTY JEAN LIFTON
http://arvindguptatoys.com/arvindgupta/ghettodiary.pdf
