Artificial Intelligence by Minsky, in Scientific American September 1966. This is in the Psychology library and the RSL (Gen Per 36).
Read the whole article for historical background, to see why anyone should want to write such a program. Don't follow the account of how the program works (unless you're keen) because it's confusingly different from Winston's simplified account.
As well as Evans' program, the Scientific American article describes three other programs of the time: Samuel's checker (i.e. draughts) player; Bobrow's Student; and Roberts' scene analyser. The whole lot is well worth reading for a general view of AI at that time (Minsky is one of the greats of the subject). As you read it, note these points, all relevant to AI: