Henri Manguin, « La Flora », Winterthur, 1912 (détail)
https://unpointculture.com/2015/09/14/villa-flora-la-passion-dune-collection/
https://www.derstandard.at/story/2000114861072/van-gogh-cezanne-matisse-in-der-albertina-sammelwut-in-violett
https://www.artfritz.ch/webfotos/PDF/hahnloser_bern.pdf
