- $13.01and upJanusz Korczak's Children by Gloria SpielmanBetter World Books & 1 more
- $8.99Janusz Korczak's ChildrenAmazon
- $6.99Janusz Korczak: Uma vida em defesa da infância (Portuguese Edition)Amazon
- $0.99King Matt the First : A Classic Kids' Book written by Janusz Korczak , Teaching Empathy, Dealing with Difficulties, and the Values of PeaceAmazon