id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
crl-11520	Kilgour, Frederick G.	Marginal Punched Charge card Form Facilitates Sending Overdue Notices	1962	3	.pdf	application/pdf	1547	78	70	T h e second overdue notice goes out in a window envelope, and the third is a form statement on a card. S E P T E M B E R 1 9 6 2 forms cost $16.54 per one thousand in an order of fifty thousand whereas 3 X 5 paper charge slips used prior to Decem- ber 1954 would now cost $2.14 per one thousand in considerably larger orders.	cache/crl-11520.pdf	txt/crl-11520.txt