1. INTRODUCTION

2. DATA  
2.1. Photometric Data  
2.2. Sample Selection  
2.3. Spectroscopic Follow-up  
2.4. Peculiar Spectra

3.1. Photometric Technique  
3.2. Mass Distribution  
3.3. Ages

4. ANALYZING OUR HALO SAMPLE  
4.1. Halo Membership  
4.2. Class 1: Sample with Accurate Masses  
4.3. High Mass Halo White Dwarfs?

5. SUMMARY AND CONCLUSIONS