1. Allemann, F.R. (1956) Bonn is nicht Weimar ( Cologne and Berlin: Kiepenheuer & Witsch).
2. See for instance Kellner, P. and Crowther-Hunt, L.D. (1980) The Civil Servants ( London: Macdonald).
3. Farrell, B. (1971) Chairman or Chief, The Role of Taoiseach in Irish Government ( Dublin: Gill & Macmillan).