The Ponca Tribal Language Program has a Booklet and 2-disc CD package for sale.  The Cost of the package is $20.00 if picking up in person or $25.00 if your order is by mail, which includes the $5.00 shipping fee.  They are available at the accounting office located at the Ponca Tribal Affairs building or you can send a money order to:  Ponca Tribe, Accounting Department, 20 White Eagle Drive, Ponca City, OK  74601.