In Exodus 30:12, this signifies all things of the church. (Arcana Coelestia 10216)
Book
In Revelation 10:9, "And I went unto the angel, saying, give me the little book," signifies the faculty of perceiving the quality of the Word from the Lord.
In Psalm 40:7, this signifies the Word. (Apocalypse Explained 299, Coronis 60)
(Referencat: Apocalypse Explained 616)