https://www.adagp.fr/fr
https://www.artactif.com/artistes/michel-boettcher/
https://www.instagram.com/boettchermichel/
https://www.facebook.com/michel.boettcher.33
https://www.youtube.com/channel/UCqas4Pq8Cr7fBn56DZJx0bg
https://www.dailymotion.com/michelboettcher.art
