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by Malory, Thomas; Cooper, Helen
by Cooper, Helen; Edwards, Robert R.
by Cooper, Helen
by Cooper, Helen; Smith, Gill
by Hodermarsky, Elisabeth; Cooper, Helen A. (CON); Kramer, Linda Konheim (CON); et al.
by Cooper, Helen; Cooper, Helen
by Brontd, Charlotte (Author); Cooper, Helen (Editor); Cooper, Helen (Introduction by)
by Morse, Ruth; Cooper, Helen; Holland, Peter
by Harrison, Keith; Cooper, Helen