INTRODUCTION
GALAXIES WITH ABUNDANT MOLECULAR GAS
- OH Absorption Surveys
CO Emission Surveys
THE DISTRIBUTION OF MOLECULAR MATERIAL WITHIN
GALAXIES
- Maps of Carbon Monoxide Emission
A Classification Scheme
MOLECULAR CLOUDS IN THE CENTRAL REGIONS OF
GALAXIES
- Is There a Distinct Central Concentration of
Molecular Clouds?
Optically Thin CO
OH Absorption-Line Anomalies
Correlations of Molecular Sources with Nuclear
Activity
Seyfert Galaxies
MOLECULAR CLOUDS IN GALACTIC DISKS
- Spiral Arms, Bars, and Giant Complexes
Interrelations of Far-Infrared, Nonthermal
Continuum, and CO Emission
Implications for Star Formation
NGC 5128 - A Special Case
EXTRAGALACTIC CHEMISTRY
EXTRAGALACTIC MASERS
PERSPECTIVES
REFERENCES
