Related Clues:
- Abbr. on a cover letter
- "The Professor and the Madman" subj.
- Reference volume from the UK
- Big ref. full of defs.
- Big bk.
- Compendious ref.
- 25 Across, for one: Abbr.
- Massive Brit. lexicon
- Initially of use in dealing with Crosaire
- SASE, e.g
- Envelope abbr
- U.K. wordsmith's ref
- Check included with a ltr., e.g
- 20-volume ref
- Bus. letter notation