Leisinger, U. (1996). The Collection of Johann Heinrich Westphal: An Indispensable Source for a History of Protestant Curch Music in 18th-Century Germany. Revue belge de musicologie.
Lua i Stíl Chicago (17ú heag.)Leisinger, Ulrich. "The Collection of Johann Heinrich Westphal: An Indispensable Source for a History of Protestant Curch Music in 18th-Century Germany." Revue Belge De Musicologie 1996.
Lua MLA (8ú heag.)Leisinger, Ulrich. "The Collection of Johann Heinrich Westphal: An Indispensable Source for a History of Protestant Curch Music in 18th-Century Germany." Revue Belge De Musicologie, 1996.
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