https://scrapbookcampus.com/invision/forums/topic/3789-complete-list-of-lufthanda-airlines%C2%AE-official-customer%C2%AE-service%E2%84%A2-us-based-contact-numbers-a-step-by-step-guide/
https://scrapbookcampus.com/invision/forums/topic/3789-complete-list-of-lufthanda-airlines%C2%AE-official-customer%C2%AE-service%E2%84%A2-us-based-contact-numbers-a-step-by-step-guide/