ホルンソナタ (ベートーヴェン)
Tatum, Bradley Alan (2010). Austro-German Classical Era Horn Works: A Study in Style and Performance Practice (PDF) (D. M. A). University of Maryland.
Watson, Angus (2012). Beethoven's Chamber Music in Context. Woodbridge: Boydell Press. ISBN 978-1-84383-716-9. https://books.google.com/books?id=s-oN-k4kBJ4C&
Wick, Heidi F. (2001). Applying Natural Horn Technique To Modern Valved Horn Performance Practice (D.M.A). Ohio State University.