00458nam a22001577a 4500008004100000040005500041080002100096245003500117250001200152260004700164300001100211650002000222653001500242653001500257700002800272230309b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  aD 025.343bJ9;K5  aSears list of subject headings  a9th ed.  aNew York: bThe H W Wilson Company, c1965  a641p.   aLibrary science  aEducation   aSears list10aWestby, Barbara M (Ed.)