Burlington & M. R. R. Co. in Nebraska v. Burch; Court of Appeals of Colorado, May 12, 1902, in The American and English Railroad Cases: A Collection of All Cases Affecting Railroads of Every Kind, Decided by the Courts of Appellate Jurisdiction in the United States, England, and Canada, Vol. 27, E. Thompson, 1903, pp. 21–26. URL consultato il 12 settembre 2017.
