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Diaries of Frida Glaser, 1911 and 1914

Mother's childhood memories, Frida Glaser, 1967

Talks with my Father, Sonja Sinclair, 1955, 1987

Memoirs, Herbert Morawetz, 1975

Conversations with Sonja Sinclair, John Morawetz, Herbert Morawetz and Eva Lederer.



CBC Times, October 1949, March 1954, March 1956, December 1959, July 1969

Canadian Composer from issues: March 1967, October 1970, April 1974, March 1982, December 1987

Musicanada, December 1969

New Yorker, April 22, 1972

Fugue, January 1978

Classical Music Magazine, April/May 1992

SOCAN, Words & Music, December 1999



Groves Dictionary of Music (6th Edition) 44 Bedford Row, London WC1R 4JY, England

The Canadian Who's Who, 1987, Box 7045, Adelaide St., Toronto, Canada

Marquis Who's Who 200 East Ohio Street, Chicago, Illinois, 60611, USA

The Canadian Encyclopedia, 1985

Dictionary of International Biography, International Biographical centre, Cambridge, CB2 3QP England

2000 Outstanding Intellectuals of the 21st Century (2nd edition) Cambridge CB2 3QP England

Ceskoslovensky Hudebni Slovnik, Statni hudebni nakladelstvi, Prahe (Prague, Czech Republic)