The sites listed here have all given me useful leads and/or food for thought and those marked with a star (*) are especially information-packed
Jewry in Music
Why 'Jewry in Music'?
Meyerbeer the Jew
Mendelssohn the Christian
The Family Halévy
'A Vulture is Almost an Eagle'......
Wagner's Magic Lamp
Lord Byron's Matzos
Dessauer's Dutch Yiddish Opera
University Challenge 2002/2003
House in Slovakia
The Meyerbeer Fan Club
- supporters of Wagner's bete noir fight back in appropriately grand style !!
The Alkan Society
official website for the UK Alkan society
Stephen Smythe's (UK)
Joel Hill's (USA)
Gustav Mahler Society UK
Institute of Jewish Music
dedicated to Jewish liturgical music, with many on-line scores and midi sound files
The Wagner Society of Northern California
runs a lively web forum for information exchange
Viktor Ullman Foundation
and its sister organization, the
Pavel Haas Foundation
has an amazing range of e-texts - including some of the most unlikely (e.g. Correspondence of Franz Liszt).
Wagner and The Jews
by Simon Weil - book-length study in which the author has some good ideas but lets himself get carried away, in my humble opinion
The Wagner Library
lots of on-line documentation
Porges Family website
all about the vast and influential clan of Jewish Wagner acolyte Heinrich Porges