Letters. Correspondence with an attached brochure and schedule. ~ 4/1--Gwen writes to Gordon about his planned visit to the Pope John XXIII Lectureship, discussing the details and arrangement of his presentations, travel and stay. A brochure of the lectureship and schedule of Gordon's visit is attached. Gordon is the only presenter, and his talk is entitled "War, Peace, and the Social Sources of Violence." 4/15--Gordon writes to inform Gwen of his travel plans. 5/5--Gwen writes after the conference to thank Gordon, send his expense checks, and to ask for copies of the lecture. 5/10--Gordon writes a friendly letter thanking Gwen for his letter and a book sent him, and says his visit was good.