id	keyword
crl-16613	use
crl-16613	books
crl-16613	print
crl-16613	titles
crl-16613	library
crl-16613	university
crl-16613	collection
crl-16613	print books
crl-16613	percent
crl-16613	libraries
crl-16613	studies
crl-16613	study
crl-16613	year
crl-16613	sciences
crl-16613	rate
crl-16613	discipline
crl-16613	academic
crl-16613	time