Ralph R. Shaw

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1	Jana Varlejs 148 Add to Reading List Source URL: webdoc.gwdg.de Language: English - Date: 2001-10-11 02:17:08 Information Knowledge Ralph R. Shaw Emanuel Goldberg Jesse Shera Vannevar Bush Information retrieval Memex Controlled vocabulary Science Library science Information science
2	PDF Document Add to Reading List Source URL: www.garfield.library.upenn.edu Language: English - Date: 2003-09-23 14:03:30 Library of Congress United States Library Verner Clapp Science Library science Ralph R. Shaw American Library Association