No access restrictions Many of SIA's holdings are located off-site, and advance notice is recommended to consult a collection. Please email the SIA Reference Team at osiaref@si.edu
A review of the eastern Nearctic Isoperlinae (Plecoptera: Perlodidae) with the description of twenty-two new species / S.W. Szczytko and B.C. Kondratieff
Ecology and management of the wood duck / by Frank C. Bellrose and Daniel J. Holm ; artwork by Francis E. Sweet ; technical editors, Glen C. Sanderson, Richard E. McCabe, and Audrey Hodgins
Forest cover in Illinois, 1820-1980 : with maps on forest composition, volume, diversity, and cover / Louis R. Iverson and Mark Joselyn, Illinois Natural History Survey, Illinois Department of Energy and Natural Resources
Distribution, habitat, and calling season of the Illinois chorus frog (Pseudacris streckeri illinoensis) along the lower Illinois river / Lauren E. Brown and George B. Rose