1. The Theory of Sound, Dover Publications, 1945.
2. Classical Normal Modes in Damped Linear Dynamic Systems
3. ‘Dynamic response of multistory buildings’, Ph.D. Thesis, California Institute of Technology, Pasadena, California, 1964.
4. ‘The effect of coulomb damping on single and multidegree of freedom structures’, Ph.D. Thesis, University of Auckland, Auckland, New Zealand, 1972.
5. and , ‘General theory of vibration of damped linear dynamic systems’, Report of Earthq. Engng Res. Lab., California Institute of Technology, Pasadena, California, 1963.