00382    a2200121   4500041000800000082001700008100003000025245003000055260005000085300001300135650007700148653003500225  aEng  a028.7bW721g  aWinchell, Constance Mabel  aGuide to reference books.  aChicago:bQmerican Library Association,c1968  aix, 122p  aLibrarianshipaLibrary resourceaReference servicesaReference materials  aReference Books - Bibliography