Letter to the Editor, by J. Ronald Pennock, November, 1986, Divestment and Sit-in, 1985-86, Box: 3. J. Roland Pennock Papers, SFHL-RG6-L8-011. Friends Historical Library of Swarthmore College.
Also, Letter to the Editor, by J. Ronald Pennock, Ethical Investment Recommendation Committee. Swarthmore College faculty and staff committees records, SFHL-RG6-L3. Friends Historical Library of Swarthmore College.