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- Examples on Children under the Age of 3 in Kindergarten
- Parents‘ Observations on Children under the Age of 3 – (German version)
- Observations about a Baby / Toddler
- An Extraordinary Little Girl
- A 2-years Old Girl Shows Signs of Giftedness – (German version)
- A Two and a Half Years Old Girl Solving Difficult Problems – (German version)
- Isabel (2;10) and Her Numbers
- Pia´s Diary from 1 to 3 – (German version)
- Early Speech Development of a Gifted Girl – (German version)
- Aidan’s Development in His Third Year (German version)
- From a Parenting Consultation for a Very Young Boy (1;1)