Chemical villains. A biology of pollution. James W. Berry, David W. Osgood, Philip A. St. JohnJames W. Berry, David W. Osgood and Philip A. St. John1974PDF14 MB
Geology of the Bedford Shale and Berea Sandstone in the Appalachian Basin; a Study of the Stratigraphy, Sedimentation and Paleogeography of Rocks of Bedford and Berea Age in Ohio and Adjacent States, by James F. Pepper, Wallace De Witt, Jr., and David F. Demarest.James F. Pepper1954