* Rourke, Constance Mayfield ; "Trumpets of Jubilee: Henry Ward Beecher, Harriet Beecher Stowe, Lyman Beecher, Horace Greeley, P.T.
* Rourke, Constance Mayfield ; "Trumpets of Jubilee: Henry Ward Beecher, Harriet Beecher Stowe, Lyman Beecher, Horace Greeley, P.T.