Https://forum.knittinghelp.com/t/full-handy-list-of-copyright-contact-numbers-in-the-u-s-a-a-official-handylist-guide/168375 https://forum.knittinghelp.com/t/full-handy-list-of-copyright-contact-numbers-in-the-u-s-a-a-official-handylist-guide/168375