Infant and Child in the Culture of Today - The Guidance of Development in Home and Nursery School Gesell, Arnold Digital bok / 2014 / Engelsk
First Five Years of Life a Guide to the Study of the Preschool Child Gesell, Arnold Innbundet / 2015 / Engelsk
First Five Years of Life a Guide to the Study of the Preschool Child Gesell, Arnold Heftet / 2017 / Engelsk