Douglas, W. O. (1953). Washington and manifest destiny: Address at the opening of the Library of Congress exhibition commemorating the centennial of the Territory of Washington, May 14, 1953. Library of Congress.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDouglas, William O. Washington and Manifest Destiny: Address at the Opening of the Library of Congress Exhibition Commemorating the Centennial of the Territory of Washington, May 14, 1953. Washington: Library of Congress, 1953.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDouglas, William O. Washington and Manifest Destiny: Address at the Opening of the Library of Congress Exhibition Commemorating the Centennial of the Territory of Washington, May 14, 1953. Library of Congress, 1953.
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