00351nam a2200121Ia 4500082002000000245007700020260002300097700000500120490004800125500000500173100003100178300002000209  a027.773bJ68.LT  aLibraries for teaching ; libraries for research ; essays for a centuryb  aChicagobALAc1976  a  aACRL publications in librarianship v No.39  a  aJohnson, Richard D. d ed.  axv, 259p. Index