Hart, C. A., and Gleason, H. A.
1907. On the Biology of the Sand Areas of Illinois. Bull. Ill. State Lab. Nat. Hist., Vol. VII, pp. 137-272.
Insect associations are discussed on pp. 220-227. Habitats are figured, and associated plants and animals are listed.
Fig. 7.—A deciduous forest (original) as an animal habitat. The Brownfield woods, Urbana, Illinois. Photo. by H. C. Chenoweth.
Hankinson, T. L.
1910. Ecological Notes on the Fishes of Walnut Lake, Michigan. Trans. Amer. Fisheries Soc., 1910, pp. 195-206.
One of the few papers dealing with the fish associations in a lake.
1910. An Ecological Study of the Fish of a Small Stream. Trans. Ill. State Acad. Sci., Vol. III, pp. 23-31.
Herms, W. B.