WORKS ABOUT - Roosa, Daniel

"Appletons' Cyclopaedia of American Biography, Volume V, Pickering-Sumter." In Appletons' Cyclopaedia of American Biography, Volume V, Pickering-Sumter, edited by Wilson, James Grant and John Fiske. New York: D. Appleton & Co., 1888.

Donaldson, Thomas. Walt Whitman the Man. New York; F.P. Harper, 1896.

Roosa, Dr. Daniel Bennett St. John. "Untitled Article in Richard Henry Stoddard's "World of Letters"." New York Mail and Express, June 20, 1898, 30.

Allen, Gay Wilson. The Solitary Singer: A Critical Biography of Walt Whitman. New York: MacMillan, 1955.