Sally,
Your questions about the activities of society ladies have been answered already. As to the specific work of these ladies, supplementing what I and others have mentioned, you need to do some hands-on research of your own by consulting back issues of Philadelphia newspapers.
I'd suggest your going to your local library. Even if you are not in a metropolitan area, a librarian can still help you order materials from larger locations that will aid you in your search.
There are numerous books on the Edwardian era that will be beneficial to you. Ask your librarian to point you to these or have her/him order them via interlibrary loan.
An inevitable suggestion for reading: "The Edwardians" by James Laver.
Best wishes,
Randy
