1 INTRODUCTION  
2 OBSERVATIONAL MATERIAL  
2.1 Source Catalog and Sample Selection  
2.2 Observations and Data Reduction  
3 ATMOSPHERIC PARAMETERS AND CHEMICAL ABUNDANCES  
3.1 Atmospheric Parameters and Metallicities  
3.2 Specific Comments on Individual Abundances  
3.3 Uncertainties  
4 RESULTS  
4.1 Comparison with Previous Work  
4.2 Newly Detected Very Metal-Poor Stars  
4.3 Abundances for the $\alpha$-Elements: Mg and Ca  
4.4 Carbon Abundances and Internal Mixing  
4.5 Frequency of C-Enhanced Stars  
4.6 Abundances for the Heavy-Elements Sr and Ba  
5 ORBITS  
6 SUMMARY AND CONCLUSIONS