Research Methods for Rural CriminologistsRalph A. Weisheit, Jessica Rene Peterson, Artur Pytlarz · First published 2022Open the Tome
Grand conversationsRalph Peterson, Maryann Eeds · First published 1990 · Latest edition 2007Open the Tome
Vegetation and Metal Toxicity in Relation to Mine and Mill WasteHoward B. Peterson, Ralph Monk · First published 1967Open the Tome
Effects of Some Cations upon the Growth Rate and Colloidal Nature of the Protoplasm of Paramecium CaudatumRalph Edward Peterson · First published 1941Open the Tome
