https://www.devex.com/people/can-i-add-an-infant-to-american-airlines-economy-class-after-booking-2260276
https://www.devex.com/people/can-you-add-a-lap-infant-to-an-existing-air-canada-airlines-booking-2359904
https://www.devex.com/people/is-it-possible-to-change-the-passenger-name-on-a-american-airlines-ticket-2271106
https://www.devex.com/people/does-united-require-a-parental-consent-form-if-traveling-with-a-child-2356113
https://www.devex.com/people/how-do-i-add-an-infant-to-my-existing-american-ticket-2259954