Harmonic Mappings and Minimal Immersions : Lectures given at the 1st 1984 Session of the Centro Internationale Matematico Estivo (C.I.M.E.) held at Montecatini Italy June 24–July 3 1984 Harmonic mappings of Riemannian manifolds Lectures on harmonic maps Harmonic maps in Kähler geometry Isolated singularities of extrema of geometric variational problems.