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Start Over You searched for: Collections Medicine in the Americas, 1610-1920 Remove constraint Collections: Medicine in the Americas, 1610-1920 Subjects Pennsylvania Remove constraint Subjects: Pennsylvania Publication Year 1820 to 1829 Remove constraint Publication Year: <span class="from" data-blrl-begin="1820">1820</span> to <span class="to" data-blrl-end="1829">1829</span>

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2. Rules to be observed by masters and pilots of vessels, arriving at the port of Philadelphia: established by the health law, and regulations of the Board of Health, to which is annexed, a supplement to the health law, passed on the 2d day of April, 1821