You can publish them online, off-line or sell them to a person else.
If you are reading this, it must have to mean that the at least marginally interested in developing a greener, healthier planet to live to. A "backlink" is only a link on someone else's site pointing back to yours. https://www.digitaljournal.com/pr/news/press-advantage/orangesky-websites-revolutionizes-web-design-from-phoenix-arizona