Transcriber's note: The irregular footnote markers in this text [numbers] refer to the reference book the author used, and not always to the specific page numbers. These reference books are listed numerically at the end of each chapter. The footnotes are marked with [letters] and the referenced footnotes are contained within the text, near to the footnote marker. Therefore, occasionally the numerical footnote markers are out of sequence. Words that were italicized are now marked by an underscore (_). A Study of t…
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