Https://fcs.tennessee.edu/wp-content/uploads/sites/23/formidable/5/list-of-copyright%E2%93%94-desktop-contact%C2%AE-numbers-usa-step-by-step-guide-contact-method-2025.pdf https://fcs.tennessee.edu/wp-content/uploads/sites/23/formidable/5/list-of-copyright%E2%93%94-desktop-contact%C2%AE-numbers-usa-step-by-step-guide-contact-method-2025.pdf