Haan, J. d. (1999). The Universal Band Soloist: Grade 2-3 / Jacob de Haan (Bb trumpet, cornet - Bb flugelhorn.). De Haske.
Lua i Stíl Chicago (17ú heag.)Haan, Jacob de. The Universal Band Soloist: Grade 2-3 / Jacob De Haan. Bb trumpet, cornet - Bb flugelhorn. Heerenveen, Holland: De Haske, 1999.
Lua MLA (8ú heag.)Haan, Jacob de. The Universal Band Soloist: Grade 2-3 / Jacob De Haan. Bb trumpet, cornet - Bb flugelhorn. De Haske, 1999.
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