koncepcja, wybór tekstów i opracowanie graficzne, Maciej Sadowski = Janusz Korczak : photobiography / the book concept, choice of texts and graphic design, Maciej Sadowski
edited and compiled by Irena Grudzińska-Gross, Jan Tomasz Gross ; foreword by Bruno Bettelheim ; introduction by Jan Tomasz Gross ; translated by Ronald Strom, Dan Rivers