I / Survey of the Problems in Radial Stellar Instability and its Relation to Stellar Evolution.- The Theoretical Situation.- The Observational Evidence.- II / Pulsation and the Young Disc Population.- Recent Progress in Linear and Non-Linear Calculations of Radial Stellar Pulsation.- Population I Cepheids — Theory and Observation.- The Temperature Scale for Classical Cepheids.- uvby Colours of Cepheid Variables.- K. Bahner and L. N. Mavridis / Period Variations in Galactic Cepheids (Title only).- Non-Pulsating Stars and the Population I and II Instability Strips.- Pulsation Modes and Period-Luminosity-Color Relations for the Short-Period ? Scuti Stars.- The Abundances and Gravities of the ? Scuti, AI Velorum and RR Lyrae Stars.- The Dwarf Cepheids.- Multiple Periodicities in ö Scuti Stars.- ? Canis Majoris Stars in the (?, [C1]) Plane.- A Search for ? Cephei Pulsation in Extreme Composition Models.- III / Large Mass Stars, Stability in Supergiants, Critical Masses.- Non-Linear Instability of Stars with M> 100 M?.- On the Variabihty of Supergiants of types B-G.- Recent Studies of the Brightest Stars in the Magellanic Clouds.- Variations in the Line Spectrum of A-Type Supergiants.- IV / Halo and Old Disc Populations.- A. Red Variables and Evolution on the Giant Branches.- Red Variables of the Old Disc and Halo Populations.- Dynamical Models of Asymptotic-Giant-Branch Stars.- B. Short Period Variables, Horizontal and Asymptotic Branch Evolution and Planetary Nuclei.- Variable Stars and Evolution in Globular Clusters.- The Characteristics of the Field RR Lyrae Stars in the Magellanic Clouds.- On Some Pecuhar Features in the Sequences of the Old Open Star Clusters.- Models for Nuclei of Planetary Nebulae and Ultraviolet Stars.- V / Eruptive and Explosive Variables.- Explosive and Eruptive Stars.- On the Binary Nature of the Slow Nova, RR Telescopii.- Non-Radial Pulsations of Dwarf Novae.- Tests of the Binary Hypothesis of Novae through Nova Nebulae Observations.- Proposed Search for Fast Variables.- VI / Instability Mechanisms.- A. Non-Radial Pulsations — Magnetic Fields.- Non-Radial Oscillations.- The Sun as a Pulsating Rotating Star.- Instabilities of Magnetic Fields in Stars.- Magnetic Fields in X-Ray Binary Systems.- The Oscillations and the Stability of Rotating Masses with Magnetic Fields.- B. Rotation — Close Binaries.- Rotational Instabilities and Stellar Evolution.- Perturbation of the Non-Radial Oscillations of a Gaseous Star by an Axial Rotation, a Tidal Action or a Magnetic Field.- Mass-Ratio Determination in Contact Binaries.- Index of Names.
