1. Automatic recognition of sheet music. ScD Dissertation, Massachusetts Institute of Technology, Cambridge, MA, June 1966.
2. Computer pattern recognition of standard engraved music notation. PhD Thesis, Massachusetts Institute of Technology, Cambridge, MA, September 1970.
3. Automatic recognition of printed music in the context of electronic publishing. PhD Thesis, University of Surrey, February 1989.
4. Automated computer recognition of music scores. PhD Thesis, University of Leeds, Leeds, UK, 1995.
5. Extensible optical music recognition. PhD Thesis, Department of Computer Science, University of Canterbury, Christchurch, NZ, 1997.