Expertise needed at Maus 

You know much more about current and historical usage concerning ethnicity than I do. I wonder if you'd care to join the discussion at Talk:Maus#best terms for groups of people? I should warn you, there's just been a difficult discussion at Wikipedia:Administrators' noticeboard/Incidents#POV-pushing abuse of sourcing at Maus but the tone at Talk:Maus is now much milder and more constructive, and I suspect your participation would help keep it that way.