Mozart - Anthony Halstead / The Academy Of Ancient Music / Christopher Hogwood – Horn Concertos = Hornkonzerte = Concertos Pour Cor (1994, CD) - Discogs
Halstead Music: sales of horns and accessories / Tony Halstead
Halstead: Suite for Solo Horn Or Trumpet - Ficks Music
H. F. KNOPF, 1950s-60s vintage - Halstead Music | French horn, Horns, Vintage