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  1. By: Dawson, J. W., (John William), - Penhallow, D. P. (David Pearce),
    Publication info: London, s.n, 1900
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
    Subjects: Ontario  Paleobotany  Paleontology  Pleistocene  Toronto Region
  2. By: Suns, K. - Ontario. Ministry of Environment and Energy.
    Publication info: [Toronto], Ontario Ministry of Environment and Energy, 1994
    Holding Institution: Ontario Ministry of the Environment
    Subjects: Analysis  Effect of water pollution on  Environmental aspects  Freshwater fishes  Ontario  Organic compounds  Organic water pollutants  Pollution  Toronto Region  Water  
  3. By: Fritz, Madeleine A. (Madeleine Alberta), - Royal Ontario Museum.
    Publication info: [Toronto], Royal Ontario Museum, 1973
    Holding Institution: University of Toronto - Royal Ontario Museum Library & Archives
    Subjects: Ontario  Ordovician  Paleontology  Stigmatella  Toronto Region  
  4. By: Fritz, Madeleine A. (Madeleine Alberta), - Royal Ontario Museum.
    Publication info: [Toronto], Royal Ontario Museum, 1976
    Holding Institution: University of Toronto - Royal Ontario Museum Library & Archives
    Subjects: Bryozoa, Fossil  Ontario  Ordovician  Paleontology  Toronto Region