https://ia600404.us.archive.org/21/items/flight-guide-usa/US_American_Airlines-Tm-Official-Customer-Service-Numbers-Quick-Guide.pdf
https://ia600606.us.archive.org/33/items/usa-flight-guide/Official-list-of-American-Airlines-CUSTOMER-service.pdf
https://ia903106.us.archive.org/9/items/american-flight-guide/Official-Directory-of-American-Airlines-CUSTOMER-service.pdf
https://archive.org/download/usa-american-guide/Full_List_of_American_Airlines_Customer_Service_Numbers_Guide.pdf