Additional Descriptive Data
Thirty-three photographs of the Mojave Desert and Hawaii are housed in the Graphics Division of the Clements Library. Nine maps by Horace Mann, Jr., are housed in the Map Division of the Clements Library.
The Clements Library also holds the papers of Horace Mann (1796-1859), educational reformer and father of Horace Mann, Jr. (1844-1868).
Other papers of Horace Mann, Jr., are located in the following collections:
Horace Mann collection, Massachusetts Historical Society, Boston, Massachusetts.
Horace Mann papers, Bishop Museum Library, Honolulu, Hawaii.
Horace Mann papers, Archives, Gray Herbarium Library, Harvard University Herbaria, Cambridge, Massachusetts.
Horace Mann, Jr., and family correspondence, Minnesota Historical Society, St. Paul, Minnesota.
Hawthorne-Mann family correspondence, Rare Book, Manuscript, and Special Collections Library, Duke University, Durham, North Carolina.
Mann, Horace. Enumeration of Hawaiian Plants. Cambridge, Mass.: Welch, Bigelow, and Co., Printers to the University, 1867.
Mann, Horace. Catalogue of the phænogamous plants of the United States, east of the Mississippi, and of the vascular cryptogamous plants of North America, north of Mexico. 2nd ed. Cambridge, Mass.: B. P. Mann, 1872.
Mann, Horace. Review of Field, Forest, and Garden Botany. The American Naturalist 2 (1869): 553-554.
Nordhoff, Charles. Northern California, Oregon, and the Sandwich Islands. New York: Harper and Brothers, 1875.
Straker, Robert L. "Thoreau’s Journey to Minnesota." The New England Quarterly 14, no. 3 (September 1941): 549-555.