George Tibbetts
2005
in: The enigma of good and evil, Dordrecht : Springer
2004
in: Metamorphosis, Dordrecht : Kluwer
Opera as a mirror of the infinite
2003
in: Gardens and the passion for the infinite, Dordrecht : Springer
2000
in: The orchestration of the arts — a creative symbiosis of existential powers, Dordrecht : Kluwer
2000
in: The poetry of life in literature, Dordrecht : Kluwer