1. Sir William Gull (1819–1890). Limner of anorexia nervosa and myxoedema. An historical essay and encomium;Silverman;Eat Weight Disord,1997
2. Diagnostic and Statistical Manual of Mental Disorders: DSM-III,1980
3. Diagnostic and Statistical Manual of Mental Disorders: DS-III-R,1987
4. Diagnostic and Statistical Manual of Mental Disorders: DSM-IV,1990
5. Diagnostic and Statistical Manual of Mental Disorders: DSM-IV-TR,1994