INTRODUCTION
THE SOLAR NEIGHBORHOOD
- Standard Abundance Distribution
Age-Metallicity Relation
Metallicity Distribution
Primordial Variations in Relative Abundances
LARGE-SCALE TRENDS WITHIN THE GALAXY
- Abundance Gradients in Stars and the Interstella
Medium
The Diffuse Interstellar Medium and the Galactic
Center
The Galactic Halo
OTHER GALAXIES: ABUNDANCE INDICATORS
- Individual Stars
Emission Nebulae
Integrated Light from Stellar Populations
OTHER GALAXIES: RESULTS
- Irregular and Blue Compact Galaxies
Elliptical and SO Galaxies
Dwarf Spheroidal Systems
Spiral Galaxies
Quasars and Active Galaxies
CONCLUSION
REFERENCES
