↑(en) Frank C. Barnes et M.L. McPherson (edt.), Cartridges of the world : a complete and illustrated reference for more than 1500 cartridges, Iola, Gun Digest, , 15e éd., 683 p. (ISBN978-1-4402-4642-5, OCLC1020769702), « .450 Revolver », p. 173
↑(en) Robert Maze, Howdah to high power : a century of British breechloading service pistols (1867-1967, Tucson, AZ, Excalibur Publications, , 132 p. (ISBN978-1-880677-17-9, OCLC51519589)