writ-room

Etymology
From.

Noun

 * 1) A room where writs, writings, or written records are housed or kept; a law library.
 * 2) * 1842, House of Commons papers - Volume 23 - Page 35:
 * I have two Assistants in the same Office with myself, and one in the large Writ Room behind. Every Document more than a year old, except Declarations, is kept in the Writ Room.