Comment by Gill Sans SUBS:
See
PRCD 701 for an introduction to the Complete New English Hymnal Series.
In Volume 9, Hymn 130 "Llanfair" concludes with an unattributed descant; Hymns 214 "Deus Tuorum Militum" and 149 "Christe Sanctorum" use the 2nd tune.
Hymn 21:
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