Karass, A. M. (2004). The "Ach wie nichtig" Cantatas of Georg Philipp Telemann: Master of Arts Thesis at the University of Connecticut.
Lua i Stíl Chicago (17ú heag.)Karass, Alan Michael. The "Ach Wie Nichtig" Cantatas of Georg Philipp Telemann: Master of Arts Thesis at the University of Connecticut. Connecticut, 2004.
Lua MLA (8ú heag.)Karass, Alan Michael. The "Ach Wie Nichtig" Cantatas of Georg Philipp Telemann: Master of Arts Thesis at the University of Connecticut. 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.