Stampin' Up! reserves some stamp sets from a prior catalog or mini catalog and allows their sale but you don't see them in a current publication. Here's what you can still buy with images, item numbers and prices shown. It's called the "Dormant List."

Download SU Dormant List as of January 2009

As this post will get buried over time, note that I also put the link to this file in my Pages section to the right for easy access.