I really did search the manual.
Author Sort Foreign Names
And got this:
Which didn't give me the 'right-click' tip I needed.
Then I searched Author sort names
and got this
Which gave me too many hits but, much to my chagrine, it did include the FAQ.
It was just a little confusing to me that the 'author sort column' and the 'tag browser' use different values to sort on.
However, I am guilty of not thoroughly reading the FAQ.
So, I am off to do that now. After I make that PBBLT sandwich.