https://web.archive.org/web/20040711115823/http://www.schnodsenbach.de/unser_dorf/historie/historie.htm

Keine Beschreibung vorhanden.

A History of Performing Pitch: The Story of 'A' - Bruce Haynes - Google Books

https://books.google.de/books?id=3Vwh0PZ3EuMC

This is the first complete survey of the historical pitch standards used by musicians during the last four centuries. Written from a practical perspective and addressed to performers it is the first book to attach frequency values to pitch names and…

Aardenberg van, Abraham - Blockflöten-Museum

http://www.blockfloeten-museum.de/blockfloetenbauer/in-alter-zeit/Aardenberg-van--Abraham.html

Blockflöten-Museum

Herzlich Willkommen im Blockflötenmuseum - Blockflöten-Museum

http://www.blockfloeten-museum.de/

Herzlich Willkommen im Blockflötenmuseum

Bärenreiter 1 - Blockflöten-Museum

http://www.blockfloeten-museum.de/blockfloetenbauer/in-neuer-zeit/baerenreiter-1.html

Blockflöten-Museum