The role of classification in the modern American library : papers presented at an institute conducted by the University of Illinois Graduate School of Library Science, November 1-4, 1959. Allerton Park Institute, 6th, 1959. [from old catalog] Eaton, Thelma, 1901- [from old catalog] ed. Strout, Donald Everett, 1909- [from old catalog] ed. Illinois. University. Graduate School of Library Science. [from old catalog] Classification Books Congresses. Z696 .A54 1959 025.4 UNR Champaign, Ill., Distributed by Illini Union Bookstore 1959. 1959. 1959 Text vii, 136 p. eng