As you read decide how you want to focus your research. Pay attention to your questions, observations. Jot down key words, people, concepts.
From that encyclopedia’s bibliography collect relevant articles, books and other resources.
2) Consult specialized music reference sources.
3) Consult indexes for articles and chapters of books.
4) Consult your library’s catalogs for books and other materials.
5) Consult streaming A-V, online scores, and other materials online at Vassar and on the Internet.
6) Consult trusted “.org”, “.gov” or “.edu” sites; “.coms” with caution.