Warburton, Albert F. (Winter 1961). "Behind the make-up of This Man Keith"(PDF). The Emerald of Sigma Pi. Vol. 47 no. 4. hlm. 178–179. Diarsipkan dari versi asli(PDF) tanggal 2016-10-21. Diakses tanggal 2017-04-28.
newspapers.com
"Keith Andes". The Indiana Gazette. Pennsylvania, Indiana. Associated Press. January 9, 1986. hlm. 28. Diakses tanggal June 14, 2016 – via Newspapers.com.
Warburton, Albert F. (Winter 1961). "Behind the make-up of This Man Keith"(PDF). The Emerald of Sigma Pi. Vol. 47 no. 4. hlm. 178–179. Diarsipkan dari versi asli(PDF) tanggal 2016-10-21. Diakses tanggal 2017-04-28.