I. Evolution Of Low And Intermediate Mass Stars: Observations And Models.- Fundamental problems and basic tests of stellar evolution theory — The case of carbon stars.- Selected topics on the evolution of low and intermediate mass stars.- Some investigations about the Carson opacities.- Solar Constraints.- Solar constraints.- Resonant three-wave interactions and an application to solar g mode oscillations.- Convective motions as an indicator of solar structure.- Two nonstandard solar models: with mixed interiors and with enhanced heavy element opacity.- Open and Populous Clusters, Red Giants.- Intermediate mass stellar models: ages of Magellanic Cloud star clusters.- Comparisons between observational color-magnitude diagrams and synthetic cluster diagrams for young star clusters in the Magellanic Clouds.- The role of the radiation pressure gradient in giant and supergiant star evolution.- Stellar evolution as evidenced by members of open clusters near the turn-off from the main sequence.- Strömgren photometry of F-type stars in M67 and NGC 3680.- Statistical analysis of the red giant distributions of old open clusters.- X-ray survey of the Pleiades: dependence of X-ray luminosity on stellar age.- The log L/log Te diagram for intermediate mass pop I red giants.- Grain sedimentation and main sequence evolution.- Rotation of B-type stars as an indicator of star formation mechanisms.- A composite color-magnitude diagram for a number of very poor clusterings in the Milky Way.- UBV photometry of NGC 581.- The luminosity function of the SMC clusters NGC 152 and K3.- Globular Clusters and Horizontal Branch Stars.- Observations of low mass stars in clusters: some constraints and puzzles for stellar evolution theory.- Spectroscopy of main-sequence and subgiant stars in globular star clusters.- Theoretical red-giant branches for globular clusters.- Faint CCD photometry in globular clusters. II. Comparison of theoretical isochrones with the globular clusters M4 and M15.- Systematic main sequence photometry of globular cluster stars for age determination.- The main-sequences of NGCs 288, 3201, 4590, and 6809.- Monte Carlo simulations of globular cluster red giant branches.- The NGC 6752 HR-diagram.- A non-explanation of the Sandage effect: [CNO/Fe] # 0.- Remarks concerning the masses of horizontal-branch A stars.- Asymptotic Giant Branch Evolution.- Luminosity functions for asymptotic giant branch stars.- On the termination of asymptotic giant branch evolution.- Constraints on terminal AGB evolution from properties of Miras and OH-IR sources.- Radial velocity observations of Barium, CH and R stars.- On the origin of the Barium stars.- Some observable indicators of s-process environments?.- HCN and C2H2 in carbon stars.- Evolution of S stars in the Magellanic Clouds.- Planetary Nuclei and OB Subdwarfs.- Non-LTE analysis of central stars.- The H.R.-diagram of central stars of planetary nebulae.- Spectroscopic observations of nuclei of planetary nebulae.- NLTE analysis of SDO stars.- The H-R diagram of O-type subdwarfs.- The atmosphere of subluminous B stars.- Mass loss from highly evolved stars.- Constraints on stellar evolution by observation of white dwarfs.- II. Evolution of Massive Stars: Evolution and Models.- Basic observational constraints on the evolution of massive stars.- Ultraviolet spectral morphology of ON and OC stars.- CNO-cycled material ejected by Eta Carinae.- Non-LTE analysis of massive O-stars.- On the hydrogen abundance in Wolf-Rayet stars.- Circumstellar dust shells around WN10–11 and WC8–10 stars: an evolutionary sequence?.- Massive star evolution in nearby galaxies.- Evolution of massive stars, supergiants and Wolf-Rayet stars.- The interaction of the supermassive object R136a with the interstellar environment.- Further candidates of supermassive stars in other galaxies.- Evolution of massive stars with mass loss: surface abundances.- Observational tests for overshoot and opacity enhancement based on massive stars.- P Cygni stars as an intermediate stage between red supergiants and Wolf-Rayet stars.- The “age” of OB associations.- Ages, age differences, masses of stars in young open clusters.- Evidence for a main sequence widening for massive stars.- Infrared and visual observations of h and ? Persei.- Neutrino-pair Bremsstrahlung in dense stars.- III. Binarity, Pulsation, Rotation and Mixing.- Binary Evolution.- Binary evolution and observational constraints.- Tidal effects in close binary stars.- Constraints on stellar evolution theory from precise eclipsing binary data.- A test of stellar evolution theory by visual binaries.- A new test case for normal giant evolution: TZ Fornacis.- The evolutionary history of Be/X-ray binaries.- Observational study of the evolution of massive binary stars.- Observational constraints from models of close binary evolution.- Orbit circularization time in binary stellar systems.- Apsidal motion in main-sequence binary stars.- Apsidal motion in evolved binary systems.- Evolution and Pulsation.- Constraints on stellar evolution from pulsations.- Cepheid period changes and stellar evolution.- Observations of evolutionary changes in the pulsation period of cepheids.- Cepheid companions and the masses of cepheids.- HR 7308 (V473 Lyr): the strangest cepheid.- RR Lyrae variables and stellar evolution in M15.- Convective effects and the RR Lyrae instability strip.- Double-mode RR Lyrae stars in the Draco dwarf galaxy and in other stellar systems.- BV photometry of RR Lyrae variables in M15.- FG Sagittae, a test of the theory of evolution of double shell source stars.- Rotation and Mixing.- The role of rotation in stellar evolution.- Physical mechanisms of mixing in stellar interiors.- Some remarks on the theory of rotating stars.- On the Tassoul approximation scheme for determining the structure of rotating stars.- On turbulent mixing.- Evolution of the sun with mixing by hydrodynamic instabilities.- Stellar evolution with turbulent diffusion mixing in low mass stars and 12C/13C ratio in giants of the first ascending branch.- Lithium abundances in late main-sequence stars. The case of the Hyades.- A random walk approach to the problem of turbulent diffusion and lithium destruction in main-sequence stars.- An observational test on stellar interior mixing: The lithium depletion in twelve Hyades dwarfs.- IV. Relation with Chemical Evolution of Galaxies and Cosmology.- Relations between the galactic evolution and the stellar evolution.- The relation between stellar evolution and cosmology.- Theoretical predictions for the radial distribution of oxygen in spiral galaxies.- 3He+ in galactic H II regions: possible evidence for non-convective mixing in low mass stars.- M giants at two latitudes in the nuclear bulge of the galaxy.- Primeval oxygen overabundance and type I-1/2 supernovae.- Evolutionary track of an intermediate mass first-generation star.- Concluding Remarks: Looking Ahead.- Index of Names.