International Association of Pastel Societies
The Philadelphia Pastel Society is a member of IAPS . Information about the IAPS bi-annual conference and workshops and exhibitions offered by other pastel societies can be found here.
http://www.iapspastel.org
Pastel Society of America
PSA is the oldest pastel society in America and plays a leading role in promoting pastels in our country. Their annual exhibitions and workshops are worthy of note by our Philadelphia area artists.
http://www.pastelsocietyofamerica.org