Code for classifiers : principles governing the consistent placing of books in a system of classification
Merrill, William Stetson
Code for classifiers : principles governing the consistent placing of books in a system of classification William Stetson Merrill - 2nd ed. - Chicago American Library Association 1939 - xii, 177 p.; 23cm.
025.4 M552C
Code for classifiers : principles governing the consistent placing of books in a system of classification William Stetson Merrill - 2nd ed. - Chicago American Library Association 1939 - xii, 177 p.; 23cm.
025.4 M552C