If the change in title proper of a later issue or part of a serial is only a minor change (cf. rule 21.2C2), give that title proper in a 246 1#. Identify the issue(s) or part(s) with that title in subfield $i .

245 00 $a Research report on literacy efforts.

246 1# $i No. 17- have title: $a Research reports on literacy efforts

See also:

21.30J.  Titles