Https://www.mundomapper.net/forums/topic/36963-full-list-of-official-copyright-desktop-support-contact-numbers-in-usa/ https://talk.lugbz.org/t/general-list-of-copyright-desktop-contact-numbers-in-the-usa-24-7-liveperson-the-ultimate-detailed/10443 https://www.mundomapper.net/forums/topic/36915-general-list-of-copyright%E2%84%A2%EF%B8%8F-payroll-contact%C2%AE%EF%B8%8F-numbers-in-t... https://www.mundomapper.net/forums/topic/36963-full-list-of-official-copyright-desktop-support-contact-numbers-in-usa/