Supporting the Colonial Theory
From: "Newport: Historical and Social." Harper's New Monthly Magazine, vol. 9, no. 51 (August 1854).
Supporting the Portuguese Theory
From: da Silva, Manuel Luciano. "Portuguese Tower of Newport." In Portuguese Pilgrims & Dighton Rock. Bristol, R. I: [s. n.], 1971.
From: Grist Mill, "The Old Stone Mill," Newport Daily News, 19 November 1985, sec. A4. *Narragansett Indians and the Old Stone Mill.
Literature & Poetry
From: Longfellow, Samuel. Life of Henry Wadsworth Longfellow. Boston: Ticknor and Company, 1886.
From: Hinds, Ernest Jasper. "The Old Stone Mill," 147-48. In Newport Poems. Boston: Christopher Publishing House, 1942.