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  1. By: Richardson, Eugene S., (Eugene Stanley), Jr.
    Publication info: [Chicago]:Chicago Natural History Museum,1956.
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Grundy County  Illinois  Invertebrates, Fossil  Paleontology  Pennsylvanian  Will County
  2. By: Richardson, Eugene S., (Eugene Stanley), Jr.
    Publication info: [Chicago] :Chicago Natural History Museum Press,1956.
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Grundy County  Illinois  Invertebrates, Fossil  Paleontology  Pennsylvanian  Will County
  3. By: Illinois. Dept. of Conservation.
    Publication info: [Springfield, Ill.] :State of Illinois Dept. of Conservation,[1986].
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Goose Lake Prairie State Natural Area (Ill.)  Grasses  Grundy County  Illinois
  4. By: Pfefferkorn, Hermann W. - Peppers, Russel A. (Russel Allen), - Phillips, Tom Lee,
    Publication info: Urbana,Illinois State Geological Survey,1971.
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Bevruchting  Ferns, Fossil  Flora (biologie)  Grundy County  Illinois  Paleobotany  Pennsylvanian  Plants, Fossil  Varens  Will County