Emerging Technologies for Machinery Health Monitoring and PrognosisRichard S. Cowan · First published 1997Open the Tome
Questions on the holy scriptures designed for the use of scholars in the Latter Day Saints' Sunday schoolsRichard O. Cowan · First published 1996Open the Tome
The archaeology of Barrel Springs site (NV-Pe-104), Pershing County, NevadaRichard A. Cowan · First published 1972Open the Tome
Swartzia (Leguminosae, Caesalpinioideae, Swartzieae)Cowan, Richard S. · First published 1967 · Latest edition 1968Open the Tome