官方藏书 / Law_and_Criminology / 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.
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.