David Judson Haykin (1951, 7), Chief of LC’s Subject Cataloging Division
[T]he reader is the focus in all cataloging principles and practice. All other considerations, such as convenience and the desire to arrange entries in some logical order, are secondary to the basic rule that the heading, in wording and structure, should be that which the reader will seek in the catalog, if we know or can presume what the reader will look under.
