Https://www.marcuscenter.org//wp-content/uploads/formidable/19/full-list-of-copyright-payroll-support-contact-number-the-ultimate-official-guide.pdf https://lifecharity.org.uk/wp-content/uploads/formidable/70/full-list-of-copyright-customer-service-usa-contact-numbers-a-complete-2025-guide.pdf