Yes you can but you need to add Copyright @Réhahn Photography every time it’s posted online (website, facebook…).
The best is to add the link: www.rehahnphotographer.com
Or tag @Rehahn Photography on social networks
For more inspiration, you can get my book here:
https://www.rehahnphotographer.com/shop/
Please, share your art in this group:
https://www.facebook.com/groups/556327527858981/