Central Opera Service (New York, N.Y.)

A career guide for the young A

A career guide for the young American singer

1978

Opera companies and workshops

Opera companies and workshops in the United States and Canada

1978

Directory of operas and publis

Directory of operas and publishers

1975

Opera repertory U.S.A., 1966-1

Opera repertory U.S.A., 1966-1972

1972

Directory of foreign contempor

Directory of foreign contemporary operas

1969

Directory of foreign contempor

Directory of foreign contemporary operas. Sponsored by the Metropolitan Opera National Council

1969

Directory of American contempo

Directory of American contemporary operas. Sponsored by the Metropolitan Opera National Council

1967

Opera producing companies and

Opera producing companies and workshops in the United States and Canada

1964

Opera manual

Opera manual

1956