id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
challenge-51	Secret, Philip E; Clayton, Obie	A Historical Description of Black Homicide and Suicide Differentials in the United States: 1950-86	1994	39	.pdf	application/pdf	2	1	-91	v05_no02_issu 01_challenge_december94.pdf	cache/challenge-51.pdf	txt/challenge-51.txt