Halliwell, D., Langdon, R., Daniels, R., Kurtenbach, J., Jacobsen, R., 1998. Classification of Freshwater Fishes of the Northeastern United States for Eses in the Development of Indices of Biological Integrity, With Regional Applications, in: Simon, T. (Ed.), Assessing the sustainability and biological integrity of water resources using fish communitiesCRC Press, Boca Raton, Florida. pp. 301-337.

Miller, D., Angermeier, P., Hughes, R., Karr, J., Molloy, D., Schrader, L., Thompson, B., Daniels, R., Fausch, K., Fitzhugh, G., Gammon, J., Halliwell, D., Leonard, P., Orth, D., 1988. Regional Applications of an Index of Biotic Integrity for Use in Water Resource Management. Fisheries 13, 12-20. doi:10.1577/1548-8446(1988)013<0012:RAOAIO>2.0.CO;2

Whittier, T.R., Halliwell, D., Daniels, R., 2000. Distributions of Lake Fish in the Northeast: II. The Minnows (Cyprinidae). Northeastern Naturalist 7, 131-156. doi:10.1656/1092-6194(2000)007[0131:DOLFIT]2.0.CO;2

Whittier, T., Halliwell, D., Daniels, R., 1999. Distributions of lake fish in the Northeast: I. Centrarchidae, Percidae, Esocidae and Moronidae. Northeastern Naturalist 6, 283-304. doi:10.2307/3858271

Whittier, T., Halliwell, D., Daniels, R., 2001. Distributions of Lake Fishes in the Northeast-IV. Benthic and Small Water-column Species. Northeastern Naturalist 8, 455-482. doi:10.1656/1092-6194(2001)008[0455:DOLFIT]2.0.CO;2

Daniels, R., Riva-Murray, K., Halliwell, D., Vana-Miller, D., Bilger, M., 2002. An Index of Biological Integrity for Northern Mid-Atlantic Slope Drainages. Transactions of the American Fisheries Society 131, 1044-1060. doi:10.1577/1548-8659(2002)131<1044:AIOBIF>2.0.CO;2