Thompson, Ronald. 19 New Spacemen Are Named. The High Point Enterprise (High Point, North Carolina). 1966-04-05: 2A [2022-09-10]. (原始内容存档于2019-04-11) –通过Newspapers.com.
Leavitt, Melvin. Mission Specialist One. New Era (The Church of Jesus Christ of Latter-day Saints). 1985: 28 [2011-03-30]. (原始内容存档于2022-09-10).
Thompson, Ronald. 19 New Spacemen Are Named. The High Point Enterprise (High Point, North Carolina). 1966-04-05: 2A [2022-09-10]. (原始内容存档于2019-04-11) –通过Newspapers.com.