Another British poet contemporary with World War 1 is Cicely Fox Smith, with at least three dozen poems focused on the War. The ones which have been adapted for singing and recorded include:

Homeward (aka Home Boys Home) [Home Lads Home]
Farewell to ANZAC
The Jolly Bargeman
The North Sea Ground
The Convalescent
The Conversation Book
Admiral Dugout
Bill's Enemy
Ships That Pass
The Red Duster
The Ballad of the Eastern Crown

Cheerily,
Charley Noble