Studies in music historyW. Oliver Strunk, Harold Powers · First published 1968 · Latest edition 1980Open the Tome
The educational and vocational plans of pupils of Barnstable High School, Hyannis, MassachusettsHarold W. Powers · First published 1949Open the Tome
Practical exercises in rapid calculationEarle Powers, Harold W. Loker · First published 1917Open the Tome
