One hundred and six letters and a telegram, 1915, from Saunders Lewis to Margaret Gilcriest, written while serving as a private soldier in Merseyside and later as an officer with the South Wales Borderers, and containing references to literature, including drafts of his own poems (ff. 102 verso, 179 verso-80, 196, 218 verso, 238, 252-3).

Sixty-one letters, 1918, from Saunders Lewis to Margaret Gilcriest, written from hospital and army camps in the Liverpool and Manchester areas, and later from Italy and Greece, where he served as an intelligence officer at Athens, and including a poem written by him (f. 8 recto-verso).

Seventeen letters, 1914, from Saunders Lewis to Margaret Gilcriest, written whilst he was a private soldier at Knowsley Park military camp, Merseyside, including references to English and Irish literature, and a draft of one of his own poems, entitled 'A Leaf of Last Year' (f. 36 recto-verso).