Beethoven Letters - Beethoven: A Guide to Primary and Secondary Resources at the Library of Congress - Research Guides at Library of Congress
![Beethoven, Karl van, 4.9.1806 - 13.4.1858, German man of independent means, portrait, 19th century Stock Photo - Alamy Beethoven, Karl van, 4.9.1806 - 13.4.1858, German man of independent means, portrait, 19th century Stock Photo - Alamy](https://c8.alamy.com/comp/G5X8A6/beethoven-karl-van-491806-1341858-german-man-of-independent-means-G5X8A6.jpg)
Beethoven, Karl van, 4.9.1806 - 13.4.1858, German man of independent means, portrait, 19th century Stock Photo - Alamy
![File:Wiener Zentralfriedhof - Gruppe 84 - Maria und Karl Julius van Beethoven.jpg - Wikimedia Commons File:Wiener Zentralfriedhof - Gruppe 84 - Maria und Karl Julius van Beethoven.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/thumb/7/70/Wiener_Zentralfriedhof_-_Gruppe_84_-_Maria_und_Karl_Julius_van_Beethoven.jpg/1200px-Wiener_Zentralfriedhof_-_Gruppe_84_-_Maria_und_Karl_Julius_van_Beethoven.jpg)