1. Silently corrected obvious typographical errors and variations in spelling. 2. Retained archaic, non-standard, and uncertain spellings as printed. 3. Re-indexed footnotes using numbers and collected together at the end of the last chapter. 4. Enclosed italics font in _underscores_. 5. Enclosed sans-serif bold font in equals. 6. Denoted superscripts by a caret before a single superscript character or a series of superscripted characters enclosed in curly braces, e.g. M^r. or M^{ister}.