Correspondence is chiefly with: Henry John Elwes concerning his and Ewart's joint exhibition of sheep at the Royal Agricultural Show, Bristol in July 1913; John Frederick Lort-Philips about horse breeding in Devon; and Claud Alexander about sheep and pony breeding. The series also contains some letters from James Cossar Ewart to Elwes, as well as some letters addressed to Ewart's wife Edith F. Ewart.