id author title date pages extension mime words sentence flesch summary cache txt crl-13001 American Library Association, Abstracts; Other Publications of Interest to Academic Librarians 1977-05-01 7 .pdf application/pdf 4530 577 69 Comparisons were made between oth- er libraries and Wayne State University li- braries in the following areas : ( 1 ) the decision to classify books as reference, ( 2 ) the labeling of reference books, ( 3) the reference catalog, and ( 4) ways of indicating reference locations on catalog cards. Six university libraries were visited and ob- servations were made on their procedures for indicating locations of reference books in card catalogs. cache/crl-13001.pdf txt/crl-13001.txt