Pennsylvanian invertebrates of the Mazon Creek Area, Illinois: the morphology and affinities of Tullimonstrum / Ralph Gordon Johnson -- and Eugene S. Richardson, Jr. --

v.12:no.8(1969)

Fifty common plant galls of the Chicago area / by Carl F. Gronemann.

no.16(1930)

Marine reptiles from the Triassic of the Tre Venezie Area, Northeastern Italy / Olivier Rieppel --, Fabio Marco Dalla Vecchia --.

n.s. no.44(2001)

Turtles of the Chicago area / by Karl P. Schmidt, Curator of Amphibians and Reptiles.

no.14(1938)

Mammals of the Chicago area / by Colin C. Sanborn, Assistant, Division of Mammals.

no.8(1925)