id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
crl-12432	American Library Association, 	Letters	1972-05-01	2	.pdf	application/pdf	738	28	56	It was noted, however, that many of the filing errors de- tected were only one card away from the correct location, and, therefore, the prob- ability of such cards being located during a search of the catalog seemed to be high. A sampling of our public catalog was carried out last summer to find the amount of filing error; the average error in both the author/title and the subject catalogs was estimated at 1.04 percent, at a confidence level of 95 percent.	cache/crl-12432.pdf	txt/crl-12432.txt