I have listed many DCI programs and yearbooks from the 1970s & 80s on EBAY.
Here is how you can find the items on Ebay:
Ebay seller's user ID - JBUCKEYE27
To search for items by seller:
Click the Advanced link at the top right of the eBay home page.
Under the Items heading on the left side of the page, click By seller. Enter the seller's user ID. Click the Search button.
I will be listing additional items over the next week, so check it out.