Volume II.
In the Addenda, the original work uses Arabic rather than Roman numerals for different variants; this has not been changed.
The original work uses both 2-4 and 2/4 to indicate musical time; this has not been standardised.
Page 199: Love another like sister and brother is probably a mistake (Love one another like sister and brother).
Page 336/7: The original work does not give a source or authority for variation XXV.
Changes made to the original text:
Footnotes have been moved to end of the description of the game.
Sources (when printed in smaller type in the original work) have been moved to a separate line where necessary.