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 
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
