Ransom, Brayton Howard, 1879-1925. The nematodes parasitic in the alimentary tract of cattle, sheep, and other ruminants. - Washington, Govt. print. off., 1911. - 132 p. illus. 23 cm. LCCN: agr11000727 Subjects--Topical Terms: Nematodes. LC Class. No.: SF623 / .B14 no. 127