As time goes on, precise data about these materials begin to wane.
Their existence are usually ignored or forgotten by many, except they are included
in the bibliography- the listing of the materials But the listing must be in a
particular pertain which must be systematic to accommodate essential bibliographic
elements which could enable a potential user to decide to trace it when in need
This calls for a pattern of effective recording and arrangement which result from
systematic listing of the records of human communication