Thanks BobW, I appreciate your taking time to help. I wanted to clear out that list completely, but now know that isn't possible as long as I have any bookmarks! At the time I posted, I didn't realize the Address Bar's auto-completion list is pulled from both history and bookmarks. Aarrrgh...
How can I clear the list of urls keyed into (or, sadly, mis-keyed into) Safari's Address bar, which Safari uses forever more as an auto-complete list? I do not have anything checked for auto-complete in Safari Preferences. I have tried Reset Safari, Clear History, Empty Cache. Those options...