I was privately shown how to get a report from Bio Check that does the trick...in How to find profiles = Check Watchlist, crank up the Max (3) Profiles fields high enough to cover all that might be in your Watchlist, in Profiles to report = Detailed Report, then in Search Biography for = <ref_0>
Click Check Profiles, then sort the results on the Search? field (the ones you are interested in show Found).
This worked for me because if I keep this as an open tab I am able to work my way down the list (I had hundreds to do). I just need to re-click the Check Profiles from time to time to clean off the ones I have resolved. The same report is also nagging me about Unsourced profiles & sometimes there just aren't any sources