id author title date pages extension mime words sentence flesch summary cache txt crl-14106 Harloe, Bart Reference Sources for Small and Medium-Sized Libraries (Book Review) 1985-03-01 1 .pdf application/pdf 701 39 59 Or again, the chapter on education sources begins with this useful advice: Librari- ans should be wary of investing large amounts in sources that will become quickly dated, and care should be taken to update sources regularly, especially direc- tories and catalogs. Not only have nonprint sources been added, but the scope of the work has also been ex- panded to include reference materials for children and young adults as well as out- of-print reference books considered to be essential to a basic reference collection. cache/crl-14106.pdf txt/crl-14106.txt