Obvious printing errors, such as letters in the wrong order, backwards, upside down, missing or partially printed, were corrected. Unprinted punctuation and final stops missing at the end of abbreviations and sentences were added. Footnotes were numbered in order and moved to the end of the chapter in which the related anchors occur. Footnote [4] has two anchors. Changes: Phantasie to Fantasie obligato to obbligato