BioStor
 | Observations on the nematode genus Nematodirus with descriptions of new species H G May (1920) Proceedings of the United States National Museum, Washington 58: 577-588 |
 | Parasitic nematodes from Tonkin, Indo-China, including a new species of Ascaridia Benjamin Schwartz (1925) Proceedings of The United States National Museum 66(2538): 1-9 |
 | A synopsis of the families and genera of Nematoda H A Baylis and R Daubney (1926) |