Theodore Roosevelt, H. W. Brands (2001). “African Game Trails: An Account of the African Wanderings of an American Hunter-naturalist”, p.21, Rowman & Littlefield
Robert Burns, Robert Chambers (1838). “The Poetical Works of Robert Burns. To which are Now Added, Notes Illustrating Historical, Personal, and Local Allusions. [The Editor's Preface Signed: R. C., I.e. Robert Chambers.]”, p.42