Related Clues:

• Gordon Brown, for one, abandoned old tax
• Robbie Burns, say, in his cottage
• Starts off solving crossword on the Mac
• Macbeth? A new title inside
• Northerner one's excluded from racecourse
• National tax
• Northern member of UK
• Glaswegian perhaps
• Northerner, no amateur on racecourse
• Tax whisky, not the Church
• Macduff, e.g
• Burns, for instance
• Alexander Graham Bell, e.g
• Scottish noble
• Conan Doyle, for one