He had written poetry before the war, and his experiences at the Somme and in Flanders led to his returning to poetry. After his death, In Memoriam: Harold Parry was published, letters and poems of Parry compiled by Geoffrey Dennis. Some of his poems were published in the anthology Songs from the Heart of England (1920), edited by Alfred Moss and with a foreword by Jerome K. Jerome."Books with contributions by Jerome" The Jerome K. Jerome Society. Retrieved 7 January 2019.
