Hannah Nunn: A blog post about Bertel Bager's wonderful book 'Nature as Designer' about seeds,pods and fruits -… | Plant painting, Botanical art, Geometry in nature
Nature as designer: A botanical art study Bager, Bertel | Barnebys
NATURE AS DESIGNER: A BOTANICAL ART STUDY. By Bertel Bager Hardcover 1968 2nd pt 9780442220174 | eBay
Naturen som formgivare: En botanisk konststudie. by Bager, Bertel:: (1961) | Antiquariat Heinzelmännchen
Nature as Designer - a botanical art study by Bager, Bertel - 1976