9 books • 2 series
"Vor Der Pforte Meines Glückes". Mozart Im Dienst Des Kaisers (1788-91)
Mozart at the Gateway to His Fortune
Organs of J. S. Bach, The: A Handbook
The Organs of J.S. Bach
Die Orgeln J. S. Bachs
Grove Composers: The Bach Family (Grove Music Composer Biography)
Johann Sebastian Bach
Mozart's Requiem
The New Grove Bach Family (Composer Biography)