The Clara Thomas Archives and Special Collections collects manuscript, rare book and primary source materials to support research and learning by the university’s faculty, students, and a community of international scholars. We are strong in the areas of Canadian history, fine arts (design, photography, music, film, theatre), philosophy, environmental history, and sexual diversity. We welcome all researchers and visitors; however, a visit to the Clara Thomas Archives and Special Collections (CTASC) is a different experience from visiting another department or section of the library. 26 September 2019 will mark the sixth anniversary of the passing of Clara Thomas – read more here.
We are open to the public Monday-Friday 10am-4:30pm (exceptions noted below) and retrieve materials from
on-site storage Monday-Friday three times a day: 11:00 AM, 1:00 PM and 3:00 PM (off-site storage can take longer to retrieve).
Please call or email the archives ahead of time should you wish to have materials retrieved prior to your arrival.
CLOSED on weekends, statutory holidays, and during the university holiday period.
**THE ARCHIVES WILL BE CLOSING EARLY ON WEDNESDAY 17 APRIL AT 1PM
APOLOGIES FOR ANY INCONVENIENCE**
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Ask & Services
We’re here to help you with all your research needs and questions. Just ask!
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What to Expect
Archival research can be a (rewarding) challenge! Learn more about what to expect when you visit us.
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Policies
Want to use a historical photo? Photocopy a pamphlet? Donate to the archives? Find out more…
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Curriculum Support
Book a class visit or integrate primary sources into your lectures and assignments.
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Research & Learn
Connect with our library resources and services to get the help you need.
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Our Holdings
Discover all the unique primary sources, archives, rare, unique and ephemeral material held by York.
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Research Tutorial
Not sure how to start your research in the archives? Try our tutorial!
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Research Assistance
Need funding to visit us? See how the archives can support your research…
