Code 518 - Title in Standard Modern Spelling (R)Indicator 1: Title Significance Indicator 0 Title in standard modern spelling is not significant 1 Title in standard modern spelling is significant Indicator 2: blankSubfield Codes Any subfield available under field 510 may be used. It is anticipated that only the following subfield will usually occur: $a Title proper, variant title or uniform title in standard modern spelling (Not repeatable)