Code for classifiers : principles governing the consistent placing of books in a system of classification /
Merrill, William Stetson, 1866-
Code for classifiers : principles governing the consistent placing of books in a system of classification / [by] William Stetson Merrill. - 2d ed. - Chicago : American library association, 1939. - xi, 177 p. ; 21 cm.
Include index
Classification--Books.
025.4 / MEC 1939
Code for classifiers : principles governing the consistent placing of books in a system of classification / [by] William Stetson Merrill. - 2d ed. - Chicago : American library association, 1939. - xi, 177 p. ; 21 cm.
Include index
Classification--Books.
025.4 / MEC 1939