第一位「黑馬」總統候選人 The First "Dark Horse" Presidential Candidate
波爾克就職演說的個人手稿 Polk's inaugural address, in his own handwriting
出處: "First telegraph message, 24 May 1844." Inaugural Address, March 4, 1845, in Polk's hand. Library of Congress. Manuscript Division. The Papers of James K. Polk.