From the archives. Hepato-lenticular degeneration. By Stanley Barnes and E Weston Hurst. Brain 1925; 48: 279–333. With a further note on hepato-lenticular degeneration. By Stanley Barnes and E Weston Hurst. Brain 1926; 49: 36–60. With hepatolenticular degeneration: a final note. By Stanley Barnes and E Weston Hurst. Brain 1929; 52: 1–5