Mary Hershberger, Traveling to Vietnam:American Peace Activists and the War, Syracuse University Press:1998, p. 156. The team was sponsored by a number of groups, including CALCAV ("Clergy and Laymen Concerned About Vietnam"), was led by Alfred Hassler, of the Fellowship of Reconciliation (FoR); and in addition to Siegel, included retired Navy Rear Admiral Arnold True; Congressman John Conyers (D-Mich); John Pemberton, Executive Director of the ACLU; Methodist Bishop James Armstrong; Anne Bennett, a member of the General Board of the National Council of Churches; Allen Brick, representing the FoR in Britain; and Robert Drinan, Dean of the Boston College Law School.
Edward Tabor Linenthal, "Preserving the Memory: the Struggle to Create America's Holocaust Museum, Columbia University Press, New York:1995, pp241-2. The book describes a meeting between Siegel and other members of the council on July 20, 1984, with a Romani group, in the Dept of Labor auditorium, where the Council "tried to assuage the fears" of the group, saying that they "would be fully included" in plans, and that the Council "as a government agency" did not speak for any religious community, "including the Jewish community." However, the book continues, "seeds of trust" as a result of that meeting were "trampled the next day,' when a Washington Post article quoted Siegel as using the word "cockamamie" to describe the claim that "some [purposely] hindered widespread knowledge and acceptance" of the suffering of gypsies during the Holocaust, and that the Museum was the means to "bring to public consciousness the continued violence inflicted upon Rom in Europe and the United States."