Heritage Regimes and the State
The Ontogeny of Carboniferous Arborescent Lycopsida
A Monograph of Dolerotheca Halle, and Related Complex Permineralised Medullosan Pollen Organs
Tacitus und die Welt des Römer (The world of Tacitus dt.- Übertr. v. Helmuth Eggert.)
The Ontogeny of Carboniferous Arborescent Sphenopsida
Preliminary Study of Spores from Carboniferous Fructifications Utilizing the Scanning Electron Microscope
Studies of Paleozoic Ferns
Studies of Paleozoic Ferns
Coal Mining in Knox County, Indiana
Coal Resources of Gibson County, Indiana
Settlement Features of a Central Mexican Landscape
Guidebook to Environments of Plant Deposition
Callospermarion - a New Genus from the Upper Pensylvanian of Illinois
Indiana's Seismic Risk : Implications of the Uniform Building Code, Geotechnical Data, and Evidence of Prehistoric Earthquakes
Palynology and Paleoecology of the Waltersburg Formation, Chesterian (Upper Mississippian), of Southern Illinois
Fluvial Channel Contemporaneous with Deposition of the Sringfield Coal Member (V) Petersburg Formation Northern Warrick County Indiana
Telangiopsis Gen. Nov., an Upper Mississippian Pollen Organ from Arkansas
Petrified Stigmaria from North America
Callospermarion - a New Seed Genus from the Upper Pennsylvanian of Illinois