University of the Witwatersrand. Library & Cunningham, A. M. (1976). The Schoch family papers. Library, University of the Witwatersrand.
Lua i Stíl Chicago (17ú heag.)University of the Witwatersrand. Library agus Anna M. Cunningham. The Schoch Family Papers. Johannesburg: Library, University of the Witwatersrand, 1976.
Lua MLA (8ú heag.)University of the Witwatersrand. Library agus Anna M. Cunningham. The Schoch Family Papers. Library, University of the Witwatersrand, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.