author unknown2020-01-032020-01-031967Bib#592110YVL.00118http://hdl.handle.net/20.500.11867/18653Derivative image of previously published article saved as PDFCard catalogs served as finding aids in the era before online catalogs. Specialized training was required to use the card catalog effectively.Newspaper clipping, 4.5inx3.5inIN COPYRIGHT-This Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s).Library--Card CatalogArticle