BioStor
 | Die Hirudineen-Gattung Hemiclepsis Vejd (1902) Zoologische Jahrbuecher (Systematik) 17: 339-362 |
 | Recherches sur Ephesia gracilis Rathke, Annélide polychète de la famille des Sphaerodorides; morphologie, anatomie, histologie L Ruderman (1911) Mémoires de la Société Zoologique de France 24: 1-96 |
 | The aquatic and amphibious mollusca of Manipur. The prosobranchia N Annandale (1921) Records of The Indian Museum 22: 538-564 |
 | Notes on some leeches in the collection of the Indian Museum (1921) Records of The Indian Museum 22: 689-719 |