According to historian Erik Kwakkel, who analyzed the book, the work had a didactic objective. But the book was not copied and it is likely that few painters and students would have the opportunity to use the original and unique collection. Today anyone can
consult in high resolution: www.e-corpus.org/notices/102464/gallery/
Bussum (Netherlands), 15 November 1891. Johanna Bonger (1862-1925) wrote in his journal: “For a year and a half I was the happiest woman on earth. It was a long and wonderful dream, the most beautiful one I could dream of. And then came this terrible suffering.” She wrote... [+]