WORKS ABOUT - Roosa, Daniel

Wilson, James Grant and John Fiske. Appletons' Cyclopaedia of American Biography, Volume V, Pickering-Sumter. New York: D. Appleton & Co. (1888-1-1).

Donaldson, Thomas. Walt Whitman the Man. New York; F.P. Harper. (1896-1-1).

Roosa, Dr. Daniel Bennett St. John. "Untitled Article in Richard Henry Stoddard's "World of Letters"." New York Mail and Express. (1898-6-20).

Allen, Gay Wilson. The Solitary Singer: A Critical Biography of Walt Whitman. New York: MacMillan. (1955-1-1).