Thanks alwayspuzzled.
I am just getting back to this.
I have very few answers so far, so I need to devote some time today.
How many places go in the perimeter?
I know Lyonesse is mentioned as going into the top left. But have not figured out where Lyon is coming from.
I am trying to get 10d and 15a. Any hint there?
SE corner is totally blank.
My 21D starts with ?YM..... Is that correct?