Related Clues:
- Major ref. set
- British ref. work
- Ref. work chronicled in "The Professor and the Madman"
- Respected ref. book
- Ref. bk.
- Shak. is its most-quoted writer
- Brit. word book
- Brit. word authority
- UK multi-volume ref. work
- Multi-volume ref. work
- Multi-vol. Brit. ref.
- 20-vol. lexicon
- Subject of the book 'The Meaning of Everything,' briefly
- Lexicon for a don
- U.K. reference bk.