id author title date pages extension mime words sentence flesch summary cache txt crl-13114 American Library Association, Letters 1978-01-01 4 .pdf application/pdf 1848 92 62 How Books Numbers Value Value Were of of of Discovered Books Books Books References in publications 108 2.25 243 Browsing in the libr 126 1.87 236 From ~rary catalo:fi 98 2.12 208 From co eagues 38 2.26 86 From memory 21 2.23 47 ALL METHODS 391 2.09 817* •Column does not add to same total because of rounding. available to the public. His table 4 (p.316) does show that books found through brows- ing tend to be less essential than those found through other means. cache/crl-13114.pdf txt/crl-13114.txt