These elaborations on selected parts of Bruno Gröning's life were prepared by the Bruno Gröning Foundation.
"Bruno Gröning's financial situation 1949 - 1959
Chronological overview of Bruno Gröning's financial situation during the ten years of his public work.
"The Gröning Association 1953 - 1959
Chronological overview of the activities of the association which accompanied Bruno Gröning on his path over the years.