Definition of "letter-book" [letter-book]

• A book in which letters are filed, or in which copies of letters are made, for preservation. (noun)

The Century Dictionary (Public Domain)

• "Simpson sold a very important manuscript, the original letter-book of"
• "It proved to be fragments of the missing letter-book of Governor Bradford."
• "One of my aides (Captain Dayton) acted as assistant adjutant general, with an order-book, letter-book, and writing-paper, that filled a small chest not much larger than an ordinary candle-boa."