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.

• मुख्य लेखक: Philadelphia. Board of health
• स्वरूप: पुस्तक
• भाषा: अज्ञात या अवैध भाषा
• प्रकाशित: 7/2/16
• विषय: Public health laws > Pennsylvania > Philadelphia
• ऑनलाइन पहुंच: https://www.gutenberg.org/ebooks/52482