University of Zambia Library Search for 'au:"Scullen, Herman Austin, 1887-"'

Review of the genus Cerceris Latreille in Mexico and Central America (Hymenoptera: Sphecidae)

By Scullen, Herman Austin, 1887-. Washington, Smithsonian Institution Press; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.] 1972

By Scullen, Herman Austin, 1887-. Washington, Smithsonian Institution Press; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.] 1972