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Theodore Roosevelt Presidential Library Foundation · 501(c)(3) nonprofit · EIN 47-1324043 · 1401 East Calgary Ave, Suite 210, Bismarck, ND 58503 · giving@trlibrary.com
Theodore Roosevelt Presidential Library Foundation is not a tax, legal, or financial advisor. These tools provide general education and estimates only; please consult your own advisors. Federal figures reflect tax year 2026; reviewed annually. Open source under the MIT license.