2020-02-202020-02-201942-10-07https://repository.tcu.edu/handle/116099117/37352Letter from Hodges McKnight, medical director for American Airlines, to "Whom it May Concern" listing vaccinations received by Amon Carter.8.5x11 paperPrior written permission from TCU Special Collections required to use any document or photographAviationAmerican AirlinesAir travelDocument