Patrons and customers

Noblemen Beethoven worked for and/or who paid him a pension. Employees of these noblemen in a certain position such as Ignaz von Baumeister, archivist at the musical library of the Archduke, legal successors and representatives of these employees such as Johan Nepomuk Kankan, and princely cash offices.

	Frankreich / Gesandtschaft (Österreich), Umschlag eines Briefes an Ludwig van Beethoven, Autograph
	Nikolaus Galitzin, Brief an Ludwig van Beethoven in Wien, Petersburg, 9. November 1822, Autograph, Fragment
	Nikolaus Galitzin, Brief an Ludwig van Beethoven in Wien, Petersburg, 29. November 1823, Autograph
	Rudolph (Österreich, Erzherzog, 1788-1831), Brief an Ludwig van Beethoven, Baden, 7. Juni 1813, Autograph
	Johann Nepomuk Wolfmayer, Brief an Ludwig van Beethoven, Wien, 9. April 1818, Autograph
	Franz Joseph Zips, Brief an Ludwig van Beethoven in Döbling, 26. Juli 1822, Autograph