id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
crl-14293	Martell, Charles R.	Editorial: Worlds of Reference	1987	2	.pdf	application/pdf	789	37	59	For all of us, however, mental structures serve to delimit or cut us off from seeing some things in certain ways. I don't know how to acquire a more responsive, better set of mental structures for orga- nizing things, whether in life or libraries.	cache/crl-14293.pdf	txt/crl-14293.txt