Coloured Illustrations.- History of Galactic Research.- I The Milky Way from antiquity to modern times (R).- Kapteyn and statistical astronomy (R).- Studies of the Milky Way 1850–1930: some highlights (R).- The discovery of the spiral arms of the Milky Way (R).- II Composition, Structure and Kinematics.- II.I Galactic Constants, Rotation and Mass Distribution.- Models of the mass distribution of the Galaxy (R).- A model of our Galaxy (I).- Mass models of three southern late-type dwarf spirals.- The Galactic constants - an interim report.- Galactic rotation outside the solar circle.- Young galactic clusters and the rotation curve of our Galaxy.- How well do we know the rotation curve of our Galaxy?.- Galactic rotation and velocity fields.- II.2. The Stellar Component.- The old population (R).- Near-infrared studies of the Milky Way.- Infrared scanning of the Galactic bulge.- Infrared studies of the stellar population in Baade’s Window.- On the nature of OH/IR stars.- The stellar disk component: distribution, motions, age and stellar composition (R).- Computer-based catalogue of open-cluster data.- The kinematics of nearby stars and large-scale radial motion in the Galaxy.- The Galactic radial gradient of velocity dispersion.- Stellar chemical-abundance gradient in the direction of the South Galactic Pole - preliminary results.- Star counts, local density and Kz (I)force.- The stellar distribution in the Galactic spheroid.- Studies of O-F5 stars at the Galactic poles.- Galaxy population structure from proper motions.- II.3. The Gaseous Component: Large-Scale Distribution.- Large-scale distribution and motions of gas.- Survey of Galactic HI emission at ?b? ? 20°.- The vertical distribution of Galactic HI: the Arecibo-Green Bank Survey.- New light on the corrugation phenomenon in our Galaxy.- HI at the outer edge of the Galaxy and its implications for Galactic rotation.- The electron density in the plane of the Galaxy.- Molecular clouds in external galaxies (I).- Comments on the distribution of molecules in spiral galaxies.- Distribution and motions of CO in M51.- CO (2?1) observations of Maffei 2.- CO survey of the Southern Milky Way.- Distribution of CO in the Southern Milky Way and large-scale structure in the Galaxy.- A CO (2?1) survey of the Southern Milky Way.- The carbon monoxide distribution in the inner Galaxy.- Outer-Galaxy molecular clouds.- CH in the Galaxy.- High-energy gamma rays and the large-scale distribution of gas and cosmic rays (I).- Large-scale mapping of the Galaxy by IRAS.- II.4. The High-Energy Component.- High-energy Galactic phenomena and the interstellar medium (R).- The high-latitude distribution of Galactic gamma rays and possible evidence for a gamma-ray halo.- On the ultraviolet background radiation of the Galaxy.- Radio continuum emission of the Milky Way and nearby galaxies (I).- Loop I (the North Polar Spur) region - a quasi radio halo.- The magnetic-field structure and dynamics of NGC 253.- Modelling the Galactic contribution to the Faraday rotation of radiation from extra-galactic sources.- A bisymmetric spiral magnetic field in the Milky Way.- II.5. Spiral Structure.- Spiral structure of the Milky Way and external galaxies (R).- Which kind of spiral structure can fit the observed gradient of vertex deviation?.- Spiral structure and kinematics of HI and HII in external galaxies (I).- A systematic study of M81.- Determination of Galactic spiral structure at radiofrequencies (R).- Giant clouds and star-forming regions as spiral-arm tracers.- The largest molecular complexes in the first Galactic quadrant.- Interpretation of the apparent anomalies of the Galactic structure.- II.6. Small-Scale Structure and Star Formation.- Small-scale structure and motions in the interstellar gas (I).- Atomic hydrogen towards 3C10.- Interferometric observations of the small-scale structure of Galactic neutral hydrogen.- A 10-GHz radio-continuum survey of the Galactic-plane region at the Nobeyama Radio Observatory - A complex region at ? = 22° ? 25°.- Interstellar sodium and Galactic structure. A high-resolution survey.- Molecular-cloud clusters and chains.- Three large molecular complexes in Norma.- Comparison of CO in the Galaxy and the Magellanic Clouds.- Star formation in the Orion Arm (I).- A survey of molecular clouds associated with young open star clusters.- A new study of the neutral hydrogen in Gould’s Belt.- II.7. The Galactic Nucleus.- The Galactic Nucleus.- Fine structure of molecular clouds within 1 minute of arc of the Galactic Center.- Recombination-line observations of the Galactic Centre.- Are spiral nuclei “active” in the radio continuum?.- Phenomena at the Galactic Centre - a massive black hole? (I).- II.8. Outskirts and Environment.- Highlights of high-velocity clouds (R).- A deep survey for high-velocity clouds.- A survey for high-velocity clouds in the inner Galaxy.- Observations of high-velocity clouds colliding in the anticenter.- The Milky Way: a halo, a corona, or both?.- II.9. Comparison of Andromeda and Milky Way Galaxies.- A comparison of the Andromeda and Milky Way galaxies (R).- Radial distributions of constituents in M33, the Galaxy, and M51.- A coordinated radio and optical survey of M31.- Distribution and motions of HI in M31 (I).- The production of a 16-mm film of M31.- Distribution and motion of CO in M31 (I).- Large-scale maps of M31 at middle and far infrared wavelengths (I).- III Dynamics and Evolution.- III.1. Milky Way, Magellanic System and Local Group.- Slippery evidence on masses in the Local Group (R).- A collision between the Large and Small Magellanic Clouds 2×l08 years ago (I).- Tidal interactions between the Galaxy and the Magellanic Clouds.- III.2. Dynamics of the Disk.- Dynamical evolution of the Galactic disk.- Evolution of the vertical structure of galactic disks.- Heating of stellar disks by massive gas clouds.- Stellar velocity distribution in the presence of scattering massive clouds.- Warps and heavy halos.- 3-dimensional particle simulation of vertical oscillations in gas discs.- Two-fluid gravitational instabilities in a galactic disk.- Collective phenomena in a multi-component gravitating system (I).- III.3. Spiral Structure and Star Formation.- Formation and maintenance of spiral structure in galaxies (R).- Two-dimensional calculations of tightly wound spiral shocks.- Oscillations of rotating gas disks: p-modes, g-modes, and r-modes.- The stabilizing effects of haloes and spiral structure.- New N-body experiments on the spiral structure of galaxies.- Velocity dispersion and the stability of galactic disks.- Periodic orbits relevant for the formation of inner rings in barred galaxies.- On the 3-kpc arm: waves excited at the resonance by an oval distortion in the central region.- A barred galaxy: the inside viewpoint.- Stochastic star formation and spiral structure (I).- Spiral structure in galaxies: large-scale stochastic self- organization of interstellar matter and young stars.- Star formation in molecular clouds (I).- Star formation in a density-wave-dominated, cloudy interstellar medium.- Spiral tracers and prestellar incubation periods in a cloudy interstellar medium.- III.4. Chemical Composition and Evolution of the Disk.- Chemical composition of interstellar material (R).- Interstellar nitrogen isotope ratios.- The chemical evolution of the Galaxy (R).- Kinematical and chemical evolution of the Galactic disk.- III.5. The Old Population.- The formation and early evolution of the Milky Way (R).- Supposed history of our Galaxy.- Secular evolution in galaxies.- Gas dynamics and disk-galaxy evolution (I).- IV Life in the Galaxy.- Life in the Galaxy? (I).- V Summary and Outlook.- The Milky Way: summary and outlook (R).- Concluding genereal discussion.- Object Index.- Name Index.