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  1. Arctoid genetic characters as related to the genus Parictis / [by] John Clark -- and Thomas E. Guensburg, University of Illinois. [Patricia M. Williams -- editor.]
    By: Clark, John, - Guensburg, Thomas Edgar, - Williams, Patricia M.
    Publication info: Chicago :Field Museum Press ,1972.
    Contributed by: Field Museum Library
    BHL Collections: Field Museum Library
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  2. Cymaprimadontidae: a new family of insectivores / John Clark --
    By: Clark, John,
    Publication info: [Chicago] :Field Museum of Natural History,1968.
    Contributed by: University of Illinois Urbana Champaign
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  3. Oligocene sedimentation, stratigraphy, paleoecology and paleoclimatology in the big Badlands of South Dakota [by] John Clark, James R. Beerbower [and] Kenneth K. Kietzke.
    By: Clark, John, - Beerbower, James R., - Kietzke, Kenneth K.,
    Publication info: [Chicago]Field Museum of Natural History,1967.
    Contributed by: University of Illinois Urbana Champaign
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  4. Population dynamics of Leptomeryx / [by] John Clark -- and Thomas E. Guensburg --.
    By: Clark, John, - Guensburg, Thomas Edgar,
    Publication info: [Chicago] :Field Museum of Natural History,1970.
    Contributed by: University of Illinois Urbana Champaign
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