Table of Contents

• Introduction
• The Main Sequence O4 - O9
• Wolf-Rayet Stars
• Luminosity Effects at O7
• Luminosity Effects at O9
• The Main Sequence O9 - B5
• Luminosity Effects at B1
• Helium-Strong B-Type Stars
• Helium-Weak B-Type Stars
• Luminosity Effects at B5
• The Main Sequence B5 - A5
• Luminosity Effects at A0
• Peculiar Stars Near A0
• The λ Boötis Stars
• Metallic-Line A-Type Stars
• Herbig Ae (Emission-Line) Stars
• The Main Sequence A5 - G0
• Luminosity Effects at F0
• Luminosity Effects at F5
• Metal-Weak F-Type Stars
• Main Sequence G0 - K5
• Luminosity Effects at G0
• Luminosity Effects at G8
• Main Sequence K5 - M4.5
• Luminosity Effects at M2
• An M-Giant Temperature Sequence
• Giants with Unusual G-Band and Cn-Band Strengths
• More lAte G-Giants with Abundance Peculiarities
• Emission Lines in Mira Variable Stars
• Two Carbon Stars
• Two S-Type Stars
• Unusual Stellar Spectra I: The Spectra of Three Highly Evolved Stars
• Unusual Stellar Spectra II: A Helium-Rich O Subdwarf
• Unusual Stellar Spectra III: Two Emission-Line Stars
• Unusual Stellar Spectra IV: Three Bright Supernovae of 1998