Pratt, R. H. (1912). American Indians, chained and unchained: Being an address before the Pennsylvania Commandery of the Military Order of the Loyal Legion, at the Union League, Philadelphia, October 23, 1912, entitled "One of General Sheridan's ways with Indians and what came of it" : supplemented by an address to the Society of American Indians at their annual convention, in Columbus, Ohio, October 5, 1912, on "The solution of the Indian problem". Philadelphia: Sherwood.

Pratt, Richard Henry. American Indians, Chained and Unchained: Being an Address Before the Pennsylvania Commandery of the Military Order of the Loyal Legion, At the Union League, Philadelphia, October 23, 1912, Entitled "One of General Sheridan's Ways With Indians and What Came of It" : Supplemented By an Address to the Society of American Indians At Their Annual Convention, in Columbus, Ohio, October 5, 1912, On "The Solution of the Indian Problem". Philadelphia: Sherwood, 1912.

Pratt, Richard Henry. American Indians, Chained and Unchained: Being an Address Before the Pennsylvania Commandery of the Military Order of the Loyal Legion, At the Union League, Philadelphia, October 23, 1912, Entitled "One of General Sheridan's Ways With Indians and What Came of It" : Supplemented By an Address to the Society of American Indians At Their Annual Convention, in Columbus, Ohio, October 5, 1912, On "The Solution of the Indian Problem". Philadelphia: Sherwood, 1912.