The information is updated (for example the exact titles/topics) as soon as possible/known:
"Galtus Germer van Hagerbeer", and "Edo Evers". [2 Articles].
In vol. 5, Biographisches Lexikon für Ostfriesland, ed. Martin Tielke. Aurich: Ostfriesische Landschaft, (2008).
"Die Temperierung als Problem der Nutzung von Orgeln in der Basso continuo-Gruppe." (Temperament as a problem in using organs within the basso continuo group).
In [working title] Conference report from the Symposium ‘... con Cembalo e l Organo...’ Das Cembalo als Generalbaßinstrument within the Festival of Early Music 29. Tage Alter Musik 2004 in Herne (Germany), ed. Christian Ahrens.
2007 or 2008