Answer:

index

Answer	Crossword Clue
INDEX	Stock indicator
INDEX	Helpful book section
INDEX	Numbered pages?

INDEX	Alphabetized list
INDEX	Pointer
INDEX	Reference feature
INDEX	Nonfiction-book inclusion
INDEX	Sort sequentially
INDEX	Kind of card
INDEX	Reference book feature
INDEX	List in the back

INDEX	Back list
INDEX	Back-of-the-book reference section
INDEX	Book end?
INDEX	The Dow, e.g.
INDEX	Book end, often
INDEX	Software "Help" contents, e.g.
INDEX	... finger (pointer)
INDEX	End-of-the-book section, often

INDEX	Helpful book feature
INDEX	Certain finger
INDEX	End-of-book section
INDEX	Textbook addendum
INDEX	Book listing
INDEX	Pointing finger, usually
INDEX	Book section
INDEX	CPI part

INDEX	Alphabetical listing
INDEX	Back-of-book feature
INDEX	Almanac part
INDEX	Word after thumb and before finger
INDEX	Glossary's neighbor
INDEX	Air Quality, for one
INDEX	The Dow, for one
INDEX	End of a book, perhaps

INDEX	Research aid
INDEX	One of the fingers
INDEX	Alphabetical list
INDEX	Book list
INDEX	Economic statistic