Hopkins, J. G. E. (2013). Hopkins, Joseph G.E., Papers. DigitalGeorgetown.
Lua i Stíl Chicago (17ú heag.)Hopkins, Joseph G. E. Hopkins, Joseph G.E., Papers. Washington, D.C.: DigitalGeorgetown, 2013.
Lua MLA (8ú heag.)Hopkins, Joseph G. E. Hopkins, Joseph G.E., Papers. DigitalGeorgetown, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.