A manual for tumbling and apparatus stunts / Otto E. RyserOtto E. Ryser · First published 1974Open the Tome
A manual for tumbling and apparatus stuntsOtto E. Ryser, James Rollar Brown · First published 1968Open the Tome
A teacher's manual for tumbling and apparatus stuntsOtto E Ryser · First published 1951 · Latest edition 1961Open the Tome
