Related Clues:
- This old mum is taking the place of one
- App tappers
- "Tank Engine" of kid-lit
- Apostle who doubted
- Patron Saint of people in doubt
- Supreme Court Justice Clarence ___
- Scarily, T-shirt conceals rejected needles
- Rev W Awdry’s tank engine
- Marshall's successor on the Supreme Court
- Doubting one
- 'A Child's Christmas in Wales' poet
- *See 35-Across
- Name Gray had for Welsh poet
- Sharp pens?
- Every so often, mislay stash brought up for engravers