CHAPTER I. APPARENT ATTRIBUTES OF THE STARS. 1
CHAPTER II. SOURCES OF OUR PRESENT KNOWLEDGE OF THE STARS. 18
CHAPTER III. SOME GROUPS OF KNOWN STARS. 29
FOOTNOTES:
BY C. V. L. CHARLIER
SCIENTIA PUBLISHER LUND 1921
HAMBURG 1921 PRINTED BY LÜTCKE & WULFF