Here's a list of RVW's arrangements of folk songs for choirs.

Here they are

Folksong and Carol Collections and Arrangements
- An Acre of Land
- Adieu                          (Departure)
- And All in the Morning
- The Angel Gabriel
- The Birth of the Saviour
- The Bloody Gardener
- A Bold Young Farmer
- A Bold Young Sailor                 (used in the Norfolk Rhapsody No.1)
- Bonnie Banks of Virgie-o
- The Brewer
- Bushes and Briars
- The Captain's Apprentice         (used in A Norfolk Rhapsody No.1)
- The Carnal and the Crane          ("The miraculous harvest")
- Cherry Tree Carol                  ("As Joseph was a-walking")
- Christmas Now is Drawing Near
- Come Love We God
- Cousin Michael                  (U)
- Coventry Carol
- The Cruel Mother
- The Cuckoo
- The Dark-eyed Sailor
- Dives and Lazarus
- Down in yon Forest
- Earl Brand
- Early in the Spring
- Eight Traditional English Carols
- Entlaubet ist der Walde
- The First Nowell
- Five English Folksongs
- Folksongs from Newfoundland
- Folksongs from the Eastern Counties
- Folksongs of the Four Seasons
- God Bless the Master of this House
- God Rest you Merry
- The Green Meadow                  ("The lawyer")
- Greensleeves
- The Gypsy Laddie
- The Holy Well
- In Bethlehem City
- I Saw Three Ships
- John Barleycorn                (used in the second March of the English Folksong Suite)
- Joseph and Mary
- Just as the Tide was Flowing
- King William
- The Lark in the Morning
- Lord Akeman
- The Lord at First
- Lovely Joan                          (used in the Fantasia on Greensleeves)
- The Lover's Ghost
- The Maiden's Lament
- Mayday Carol
- The Morning Dew
- Mummer's Carol
- New Year's Carol
- Nine Carols for Male Voices
- On Christmas Day
- On Christmas Night
- One Man, Two Men
- Penguin Book of English Folksongs
- The Ploughman
- Proud Nancy
- Robin Hood and the Pedlar
- Rolling in the Dew
- The Saviour's Love
- Searching for Lambs
- The Seeds of Love
- Seventeen Come Sunday          (first March of the English Folksong Suite)
- The Sheep- Shearing
- She's Like the Swallow
- Six English Folksongs
- The Sprig of Thyme
- The Springtime of the Year
- Summer is a coming in
- Sweet William's Ghost
- There is a Flower
- Think of me
- Three Gaelic Songs
- The Truth Sent from Above
- The Turtle Dove
- The Twelve Apostles
- Twelve Traditional Carols from Herefordshire
- Two Carols
- Two English Folksongs          (for Voice and Violin)
- Under the Leaves                  (Seven virgins)
- The Unquiet Grave                  (How cold the wind doth blow)
- A Virgin Most Pure
- Wassail Song                          (from Gloucestershire)
- Wassail Song                          (from Yorkshire : We've been a- while a- wandering)
- The Winter's Gone and Past
- Young Floro

:-)