I mentioned this in another post. In case anyone else is interested. These are the details.
The Recorder by David Lasocki and Robert Ehrlich…
The Era of Medieval Recorders – Lasocki
The Era of Renaissance Recorders – Ehrlich
The Era of the Baroque Recorder – Lasocki
Duct Flutes in the 19th C – Tarasov
The Recorder in the 20th C – Ehrlich
Epilogue – Michala Petri