Weeks, Bertha M. How to file and index/ Bertha M. Weeks - Rev. ed. - New York: Ronald Press, c1951 - xiv, 306 p.: ill.; 21 cm. Includes index ISBN: $ 2.50 Subjects--Topical Terms: IndexingFiling systemsFiles (Records)Office practiceRecords--Management Dewey Class. No.: 651.5