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The family Caseidae / [by] Everett C. Olson -- [Edited by Edward G. Nash, Patricia M. Williams]
Publication info:
[Chicago]Field Museum Press ,1968.
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Fauna of the upper Vale and Choza : 6, Diplocaulus / Everett Claire Olson --
Publication info:
Chicago :Chicago Natural History Museum,1952.
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Fauna of the Vala and Choza : Trimerorhachis : including a revision of prevale species / Everett Claire Olson --
Publication info:
Chicago :Chicago Natural History Museum,1955.
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Fauna of the Vale and Choza : Captorhinomorpha / Everett Claire Olson --
Publication info:
Chicago :Chicago Natural History Museum,1954.
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Fauna of the Vale and Choza : Diadectes, Xenacanthus, and specimens of uncertain affinities / Everett Claire Olson --
Publication info:
Chicago :Chicago Natural History Museum,1956.
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Fauna of the Vale and Choza : Lysorophus : Vale and Choza ; Diplocaulus, Cacops and Eryopidae : Choza / Everett Claire Olson --
Publication info:
Chicago :Chicago Natural History Museum,1956.
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Fauna of the Vale and Choza : a new Trematopsid amphibian from the Vale formation / Everett Claire Olson --
Publication info:
Chicago :Chicago Natural History Museum,1956.
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Fauna of the Vale and Choza : Pelycosauria : Dimetrodon / Everett Claire Olson --
Publication info:
Chicago :Chicago Natural History Museum,1954.
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Fauna of the Vale and Choza : Pelycosauria : family Caseidae / Everett Claire Olson --
Publication info:
Chicago :Chicago Natural History Museum,1954.
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Fauna of upper Vale and Choza: Everett Claire Olson --
Publication info:
[Chicago] :Chicago Natural History Museum,1951
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New and little known genera and species of vertebrates from the Lower Permian of Oklahoma / [by] Everett C. Olson -- [Patricia M. Williams, editor]
Publication info:
[Chicago] :Field Museum Press ,1970.
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Parallelism in the evolution of the Permian reptilian faunas of the Old and New Worlds / Everett C. Olson.
Publication info:
Chicago :Natural History Museum,1955.
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Permo-Carboniferous fresh water burrows / Everett C. Olson -- and Kathryn Bolles --.
Publication info:
Chicago :Field Museum of Natural History,1975.
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Relationships of Diadectes / Everett Claire Olson --
Publication info:
[Chicago] :Chicago Natural History Museum,1966.
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The temporal region of the Permian reptile Diadectes / Everett Claire Olson --
Publication info:
[Chicago] :Chicago Natural History Museum,1950.
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