CHAPTER I. INTRODUCTORY. NOTES AND REFERENCES.
CHAPTER II. DIFFERENCES, INTERPOLATION, AND DEVELOPMENT. NOTES AND REFERENCES.
CHAPTER III. THE METHOD OF LEAST SQUARES. Section I. Mean Values of Quantities. II. Determination of Probable Errors. III. Equations of Condition. NOTES AND REFERENCES.
Mars and Its Canals · The Wunder Library — complete classics, free to read, with narration.