id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
iassist-68	Ruggles, Steven; Sobek, Matt; Gardner, Todd	Disseminating Historical Census Data on the World Wide Web	1997	15	.pdf	application/pdf	7939	444	62	X X X X X X X X X X Age at first marriage . . X X X State economic area X X X X X X X . . .	cache/iassist-68.pdf	txt/iassist-68.txt