Aigen, K. 1995 An Aesthetic Foundation of Clinical Theory: An Underlying Basis of Creative Music Therapy. In: C. B. Kenny (ed.) Listening, Playing, Creating: Essays on the Power of Sound. Albany, N. Y: State University of New York Press. 233-258.
Aigen, K. 1998 Paths of Development in Nordoff-Robbins Music Therapy. Gilsum: Barcelona Publishers. 中河豊 (訳) 2002 障害児の音楽療法-ノードフーロビンズ音楽療法の質的リサーチ. ミネルヴァ書房.
Aigen, K. 2005a Playing in the Band: A Qualitative Study of Popular Music Styles As Clinical Improvisation (The Nordorff-Robbins Music Therapy Monograph Series). Barcelona Publishers DVD版.
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Aldridge, D. 1999 Music Therapy in Palliative Care: New Voices. London: Jessica Kingsley Publishers.