- Early Speech Development of a Gifted Girl – (German version)
- Reading and Writing in Kindergarten
- Reading a Newspaper, Making a Newspaper
- Children Make up Their Own Stories
- Children Writing Picture Books
- Cologne Speak in Kindergarten – (German version)
- Theatre Adaption – Tale of a Princess Whom Almost Everybody Considered Too Smart
- The Story of Philippus – (German version)
- Foreign Languages at Kindergarten
- Examples for Foreign Languages in Kindergarten
- Have You Filled a Bucket Today?