article by Frederick Knab published September 1914 in The Canadian Entomologist

scientific article published in 1913

article

scientific article published in 1912

scientific article published in March 1909

article

article published in 1911

article published in 1906

Washington, D.C. :The Carnegie Institution of Washington,1912-1917. | London School of Hygiene & Tropical Medic

Washington, D. C., Carnegie Institution of Washington, 1912-1917.