Punctuation and spelling were made consistent when a predominant preference was found in this book; otherwise they were not changed. Inconsistencies between the Index and the text it referenced were resolved by changing the Index to match the text.

Simple typographical errors were corrected; occasional unbalanced quotation marks retained.

Ambiguous hyphens at the ends of lines were retained; occurrences of inconsistent hyphenation have not been changed.

Index not checked for proper alphabetization or correct page references.