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1. Proofs of the origin of the yellow fever, in Philadelphia & Kensington: in the year 1797, from the domestic exhalation ; and from the foul air of the snow Navigation, from Marseilles : and from that of the ship Huldah, from Hamburgh, in two letters, addressed to the governor of the Commonwealth of Pennsylvania

nlm:nlmuid-2541006R-bk

2. Air pollution in Donora, Pa: epidemiology of the unusual smog episode of October 1948 : preliminary report

nlm:nlmuid-31320170R-bk