The First German Gas Attack at Ypres, by Gunner W. Roberts 1919 Special Collections D527 A75/Art Illustration from Art and War - Canadian war memorials, a selection of the works executed for the Canadian war memorials fund to form a record of Canada's part in the great war and a memorial to those Canadians who have made the great sacrifice by P. G. Konody: reproduction of "The First German Gas Attack at Ypres," by Gunner W. Roberts