Heritage Dance Association
 The Heritage Dance Association is a non-profit Pennsylvania corporation devoted to preserving and teaching people about the traditional dances and related music that constitute their common dance heritage. The Association is a Center of the Country Dance and Song Society of America.

Princeton Country Dancers
PCD holds regular Wednesday night dances from 8-10:30 pm at the Suzanne Patterson Center in Princeton NJ.   A beginners' workshop takes place at 7:40.  Beginners are welcome, and you do not need to bring a partner. Each week, traditional dances of the United States and England (usually contra dances, occasionally English country dances) are taught, with live music.

Thursday Night Dance Committee
The Thursday Night Contra Dance meets at Glenside Memorial Hall, Waverly Rd. and Keswick Ave., Glenside, PA Thursdays 8 to 11 PM. Instructions and figures for beginners 7:30 - 7:50.

Valley Contra Dance
Lively New England Folk Dancing in Historic Bethlehem PA. Caller and live band on 2nd and 4th Saturdays. Instruction 7:00 pm, Dancing from 7:30 -11 pm. No partners needed. Family Friendly. Carry in your soft soled shoes.

And visit these friends of the ButterBall:

Philadelphia Seven Day Dance Guide
A comprehensive guide to folk, swing and traditional dancing in and around Philadelphia. Produced and maintained by Peggy Leiby and Ret Turner.

Mostly Waltz
Waltz Sunday afternoons, all types -- Country, Viennese, Pop, English, anything that goes 1,2,3 -- is the featured music on the 4th Sunday of the month from 3 to 6 pm. Two waltz lessons, one for beginners (very beginners) and the other more advanced (called "waltz flourishes"), are free with admission and run simultaneously from 3 to 3:30. Waltz dancing -- with a very occasional swing, tango, hambo, etc mixed in to break up the 1-2-3 a little, -- immediately follows the lesson through 6 pm. Live music. Dress is casual on up. No partner necessary.

The Arden Dance
The Arden Folk Gild sponsors a Contra Dance every month on the first Sunday, from 2 to 5 pm in Arden DE, featuring live bands and callers from  Maine to North Carolina (so far),  a nice floor, and much more! 

Bob Stein's Contra Dance and Related Links
Bob's site is a national listing of dances, festivals, musicians, callers and other dance-related information.

The Philadelphia Swing Dance Society
Check out this hip site for all the area Swing events, news and links.

the Dance Database
Ted Crane, a caller and computer system analyst from the Ithaca, NY dance, has put together DanceDB. You can find hundreds of dances organized by state (here's Pennsylvania, for example) and region or by day-of-the-month (Pennsylvania and New Jersey). You can also find info and schedules for more than 1,000 performers.