Barnes, A. J. (1908). Barnes' practical course in Graham shorthand. Arthur J. Barnes Pub. Co..
Lua i Stíl Chicago (17ú heag.)Barnes, Arthur J. Barnes' Practical Course in Graham Shorthand. St. Louis: Arthur J. Barnes Pub. Co., 1908.
Lua MLA (8ú heag.)Barnes, Arthur J. Barnes' Practical Course in Graham Shorthand. Arthur J. Barnes Pub. Co., 1908.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.