An encyclopedia is a mine of information.
a person who compiles information for encyclopedias
An encyclopedia is a well of knowledge.
This encyclopedia belongs to my wife.
An up-to-date edition of the encyclopedia will come out next month.
This encyclopaedia is convenient for looking up things.
He is, as it were so to speak, a walking encyclopedia.
A revised edition of the encyclopedia was published.
a living encyclopedia (of arcane facts)
He is what is called a walking encyclopedia.
This encyclopedia is issued in monthly parts.
I went from door to door trying to sell encyclopedias.