A fantastic resource that I just stumbled upon today is Duke& #39;s Ad*Access digital collection, which has a large, keyword-searchable database of ads from the first half of the 20th cent. Here& #39;s one from the United Airlines that features the UN. https://repository.duke.edu/dc/adaccess ">https://repository.duke.edu/dc/adacce...
@asa_mckercher North Americanism, as depicted by American Airlines in 1943. Note Uncle Sam& #39;s height.
@WiggsDevin 1947, or that year when "empire" was still a selling point.
@dbessner a potential cover for your next book