13 is another of the 'without definition' answers - it might reveal too much if I give you that one too!
As a hint, the 'dog' could belong to the British Queen...
29 A. The date, 1468, is when the Burgundians did something. I didn't investigate, got it from the wordplay - put in the first letter of '?aid' and the last four in 's????'. You end up with a place.