This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Emanuel Kemper. en Emanuel Kemper German organ maker and organist de Emanuel Kemper deutscher Orgelbauer und Organist Alexander Bastek Zimmermann Ed Fotografie in Lbeck Michael Imhof Verlag Creator Robert Mohrmann Robert Mohrmann Emanuel Kemper PDold