You might find a Bibliography in a Non-fiction Reference book. It would be at the back before the Index.A Bibliography would also be found at the end of a Paper, Essay or research work done by...
These cards have a list all the books, magazines articles, databases and Internet sites that you found in your preliminary survey of materials available on your topic or book.
In the information that the authour used to research the book;.
or.
In the back of the book, if you're looking for the information pages that the authour used.
.