Philadelphia Quarterly Meeting (PQM) is one of the 13 Quarterly Meetings within Philadelphia Yearly Meeting.

To find a Quaker meeting in the United States or Canada, try QuakerFinder.org. 

Philadelpahia Yearly Meeting is affiliated with Friends General Conference, whose website contains a wealth of resources. 

Quaker.org provides a very basic introduction to the Quaker tradition. It includes links to information about Quaker history, belief, and current practice.