 Re: persona grata
You don't need the "a". Latin had no system of articles, so persona could mean either "person" or "a person" or "the person" depending on context.
That said, it's a question of where you draw the line between English and Latin - "he was declared a [English] persona non grata [Latin]..." or "he was declared [English] persona non grata [Latin]..." For many users "persona non grata" is fully Anglicized, and in that case it would make sense to use the article. I've heard both.
b |