21.6C1.
Reversed Order of Names:
If the title of the lager edition is the same as the title of the earlier edition, give in an informal note on the record for the later edition information about the order of named in the earlier edition. (Do not give the title and statement of responsibility for the earlier edition solely to indicate the order of named on the earlier edition.) In addition, on the record for the later edition make a name added entry under the heading for each person or body not given as the main entry heading. (Do not make a name/title added entry for the earlier edition.)
See also:
21.6C. Principle responsibility not indicated