id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
_005198049	nan	Birth control : un-natural and irrational, or natural and rational?	1930		.txt	text/plain	3600	152	62	Short , Normal, The next important matter is to Long Cycles count the exact number of days that lie between menstruations, beginning with the day on which the first traces of blood appeared. These days can he deter- mined without much difficulty if the directions given in The Rhythm are followed.	cache/_005198049.txt	txt/_005198049.txt