Related Clues:
- Venerable reference wk.
- Etymologist's ref.
- It comes in volumes: Abbr.
- Ref. wd.
- Big Brit. bk.
- It's added to an env.
- Env. add-in
- Orthographer's ref.
- Funk & Wagnalls offering: abbr.
- "Look inside" abbr.
- Stamped return env., for example
- It has hundreds of thousands of meanings: Abbr.
- Placed inside: abbr.
- U.K. reference
- Venerable reference book from the UK