All illustrations appear in the latest publicised volume "Neurolaryngology" by Sonja Burger.
Neurolaryngology-Book: Springer-Verlag, Editors: Prof. Guntinas-Lichius and Prof. Sittel
Book on Bach flower remedies
All 38 plants in the book on Bach flower remedies as illustrated by Sonja Burger.
Assignment by advertising agency
Individual Tuition in Sketching, Painting and Sculptur: