Gravitational Lenses [electronic resource] : Proceedings of a Conference Held at the Massachusetts Institute of Technology Cambridge, Massachusetts, in Honour of Bernard F. Burke's 60th Birthday, June 20, 1988 /

Recollections of the career of Bernard Burke -- 0957+561: The unpublished story -- History of gravitational lenses and the phenomena they produce -- The versatile elliptical gravitational lens -- Gravitational lens optics -- Gravitational lensing of extended sources -- Moving gravitational lenses -- Explaining Burke and Shapiro to Newton -- Recent optical observations of gravitational lenses -- VLBI observations of gravitational lenses -- VLBI phase reference mapping techniques and the search for the third image of 0957+561 -- First VLBI hybrid maps of 0957+561 A and B -- VLA measurement of the time delay in the gravitationally lensed double quasar 0957+561 -- Optical determinations of the time delay in 0957+561 -- Resolution of galaxy and third image of gravitational lens 2016+112 -- Arcs in clusters of galaxies as gravitational lens images -- A gravitational telescope in Abell 370: Indeed it works! -- Observations of the blue arcs in Abell 963 -- Is the giant luminous arc due to lensing by a cosmic string? -- Results of the VLA gravitational lens survey -- Optical searches for gravitational lenses -- An optical imaging survey for gravitational lenses and the discovery of a new lens candidate -- Statistics of gravitational lenses: Galaxies and dark matter -- Highly colinear radio sources and constraints on gravitational lens space density -- Gravitational microlensing -- Cosmic density estimate from microlensing -- Micro-lensing model for QSO 2237+0305 -- A viable explanation for quasar-galaxy associations? -- Reception photographs.