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There are a number of great sources to help you research jazz. Here is a short, curated list of some of the resources most directly relevant to your subject area available through the University of Toronto Libraries.
You are welcome to reach out to the Music Library and get research help to explore your topic more in depth. You can get reference help at the front desk Monday-Friday 10 am to 4 pm You're also welcome to make an appointment with me using the contact information on this page.