id author title date pages extension mime words sentence flesch summary cache txt crl-12338 Axford, H. William The Economics of a Domestic Approval Plan 1971-09-01 8 .pdf application/pdf 4478 223 66 All three have generated considerable amounts of impassioned rhetoric at pro- fessional gatherings and a corpus of polemical writing, but only a relatively small amount of research aimed at eval- uating how the Library of Congress Classification System, the computer, or approval plans have advanced or retard- ed the academic library's progress to- ward its stated educational objectives. 368 / libraries utilizing approval plans grows with each passing year as does the num- ber of firms offering them. cache/crl-12338.pdf txt/crl-12338.txt