Jass, J., Klausmeier, B. (2001): Terrestrial isopod (Crustacea: Isopoda) atlas for Canada, Alaska, and the contiguous United States. Milwaukee Public Museum Contributions in Biology and Geology, 95: 1–105.
Jass, J., Klausmeier, B. (2003): Transborder associations of terrestrial isopods (Crustacea, Isopoda, Oniscidea) of Mexico and the United States. Western North American Naturalist, 66: 132–134.
Jass, J., Klausmeier, B. (2004):The terrestrial isopod Hyloniscus riparius (Isopoda: Oniscidea: Trichoniscidae) in Wisconsin. Great Lakes Entomologist, 36: 70-75.
