Fauna of the Vale and Choza : Trimerorhachis : including a revision of prevale species / Everett Claire Olson --

v.10:no.21(1955)

Fauna of upper Vale and Choza: Everett Claire Olson --

v.10:no.11(1951)

Fauna of the upper Vale and Choza : 6, Diplocaulus / Everett Claire Olson --

v.10:no.14(1952)

Fauna of the Vale and Choza : Captorhinomorpha / Everett Claire Olson --

v.10:no.19(1954)

Fauna of the Vale and Choza : Pelycosauria : family Caseidae / Everett Claire Olson --

v.10:no.17(1954)

Fauna of the Vale and Choza : Lysorophus : Vale and Choza ; Diplocaulus, Cacops and Eryopidae : Choza / Everett Claire Olson --

v.10:no.25(1956)

Fauna of the Vale and Choza : Diadectes, Xenacanthus, and specimens of uncertain affinities / Everett Claire Olson --

v.10:no.27(1956)

Fauna of the Vale and Choza : a new Trematopsid amphibian from the Vale formation / Everett Claire Olson --

v.10:no.26(1956)