Verhovek, Sam Howe (May 30, 1999). "What's Doing In; Portland". The New York Times. Archived from the original on November 14, 2013. Retrieved May 18, 2013.
Boss, Suzie (March 20, 1994). "What's Doing In; Portland". The New York Times. Archived from the original on November 14, 2013. Retrieved May 18, 2013.
Dahl, Victor C. (April 2012). "In memoriam: Raymond Max Grimm, 1924–2012"(PDF). The Raps Sheet. Portland State University. p. 5. Archived(PDF) from the original on November 11, 2013. Retrieved May 18, 2013.
Dahl, Victor C. (April 2012). "In memoriam: Raymond Max Grimm, 1924–2012"(PDF). The Raps Sheet. Portland State University. p. 5. Archived(PDF) from the original on November 11, 2013. Retrieved May 18, 2013.
Verhovek, Sam Howe (May 30, 1999). "What's Doing In; Portland". The New York Times. Archived from the original on November 14, 2013. Retrieved May 18, 2013.
Boss, Suzie (March 20, 1994). "What's Doing In; Portland". The New York Times. Archived from the original on November 14, 2013. Retrieved May 18, 2013.