
https://www.assemblee-nationale.fr/dyn/16/rapports/cion_fin/l16b1678_rapport-information#

https://www.boeckler.de/fpdf/HBS-008396/p_imk_pb_132_2022.pdf

https://www.propublica.org/article/how-private-nonprofits-ultrawealthy-tax-deductions-museums-foundation-art