The College of Physicians of Philadelphia advances the cause of health while upholding the ideals and heritage of medicine.

The National Railway Historical Society promotes railway heritage preservation and educates its members and the public about rail transportation, its history and impact, with a focus on North America.

Membership in the Association, from a humble beginning of sixty-eight meeting in a barn in Pennsylvania, has grown to a worldwide organization approaching 30,000 members, with many local divisons and chapters.

Besides the tour of the mansion built between 1976 and 1982 the mansion holds about 150 restored automatic music, roll played instruments, music boxes and phonographs.

Dedicated to botanical art and history, the Hunt Institute is a highly specialized species itself.

This museum's collections include Hammond organs, reed organs, phonographs, 78 rpm records, 8 track tapes, Edison records, Band Organs

With nearly

The primary purpose of the National Duck Stamp Collectors Society (NDSCS) is to promote and encourage the collecting and study of migratory waterfowl hunting and conservation stamps.

Honoring a remarkable man who wanted to be remembered "as someone who believed in hard work and love of country, love of family and love of community."

The National Audubon Society strives to connect people with nature within the special context of a national historic site.