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.（Philadelphia. Board of health 著）属公有领域作品，本页面提供公版书免费下载，已通过夸克网盘 / 百度网盘分发。读者可一键转存至个人网盘，离线阅读或永久保存。