George Whitefield (1772). “The Works of the Reverend George Whitefield, M.A...: Containing All His Sermons and Tracts which Have Been Already Published: with a Select Collection of Letters... Also, Some Other Pieces on Important Subjects, Never Before Printed; Prepared by Himself for the Press; to which is Prefixed, an Account of His Life, Compiled from His Original Papers and Letters”, p.37
Louisa May Alcott (2015). “Civil War Memoirs of Louisa May Alcott (Unabridged): Including Letters, Hospital Sketches & Biography of the Author – Autobiographical account of the author from the time she worked as a volunteer nurse for the Union Army during the American Civil War”, p.187, e-artnow