BioStor
 | XLVIII.—Additions to the Fauna of Ireland William Thompson (1844) Annals And Magazine of Natural History 13: 430-440 |
 | Uber den Lumbricus variegatus Müller's und ihm verwandte Anneliden E Grube (1844) Archiv für Naturgeschichte. Berlin 10: 198-217 |
 | An Index to the British Annelids G Johnston (1846) Annals and Magazine of Natural History 16: 433-462 |
 | Oligochaeta Wilhelm Michaelsen (1900) Das Tierreich 10: 1-575 |