Hassall, Albert and C.W. Stiles. "Strongylus rubidus, a new species of nematode, parasitic in pigs." Reprinted from The Journal of Comparative Medicine and Veterinary Archives, April 1892.

Hassall, Albert and C.W. Stiles. "Strongylus rubidus, a new species of nematode, parasitic in pigs." Reprinted from The Journal of Comparative Medicine and Veterinary Archives, April 1892., Box: 2. Veterinary Reprint and Pamphlet Collection, 24-4-3369. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/262714 Accessed December 24, 2025.