Internet History Sourcebooks Project
Fordham University: Modern History Sourcebook: Music and Nationalism
Fordham University provides college-level reading on how the Nationalism of the 19th Century affected the music of the 20th, especially Classical music. These composers lived most of their lives in the 1800's, but are often classified...
Steven Kreis, PhD
The History Guide: The Romantic Era
This personal site from The History Guide is great background information on the romantic period, though little of it deals directly with music.
Other
Mozart and Salieri: Professional Jealousy or Murder?
This is a "WebQuest," lesson in which students follow links for information about Salieri's possible involvement in Mozart's death. Great fun for kids while learning.