Alfred Mann. A classic study of the theory and practise of fugue in two parts - a comprehensive historical survey of writings as the fugue - and an exploration of the four 18th century studies which are its classical presentations.
Flute, Oboe, Recorder Instrumental Reference
Jaques-Martin Hotteterre. A treatise of central importance in the historical development of the flute, with discussions on ornaments and embelishments of the period.