https://www.artloverplace.com/Artistes/essonne/peinture/michel-boettcher/fiche
https://www.artactif.com/artistes/michel-boettcher/
https://www.instagram.com/boettchermichel/
https://www.facebook.com/michel.boettcher.33
https://www.michelboettcherart.com/
https://www.youtube.com/channel/UCqas4Pq8Cr7fBn56DZJx0bg