THE PREPARATION OF SUBJECT‐HEADING LISTS BY AUTOMATIC PUNCHED‐CARD TECHNIQUES
Eugene Garfield · Journal of Documentation · 1954
The uses of punched‐cards in documentation are already so varied as to confuse the potential user. Consequently, many organizations and individuals who could efficiently employ existing techniques are not aware of these possibilities. Even in the specialized problem of preparing subject‐heading lists various approaches are in use. The purpose of this paper is to outline the uses of punched‐cards in this special area.