12.7B5. (Notes) Parallel titles and other title information
Over time, parallel titles may be added to (FN 1 ), removed from, or given in a varying form on the chief source of issues of a serial.
If this information is considered to be important, record it in a note. Include in the note the name of the language of the title being referred to. Do not use the term "parallel title" in notes because not all users will be familiar with this term.
If the order of titles (including the title proper) changes on the chief source, a general note may be given.
If the title proper is no longer present, refer to 21.2C .
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