a mine of information

a person or a book with a lot of information (often + about ) He's a mine of information about the cinema.

Name	Pronounced	Usage
Matty (2)	-	Medieval English
Biel	-	Catalan
Igerna	-	Arthurian Romance
Ji-Hoon	jee-hoon	Korean
Sylvester	sil-VES-tər (English)	English, Dutch, Danish, German
Ruth (1)	ROOTH (English), ROOT (German)	English, German, Dutch, Swedish, Norwegian, Danish, Spanish, Biblical, Biblical Latin