Correspondence, essays and papers mostly relating to the Social Democrat Books, a series of books written on general and political interests with a social democracy point of view and closely associated with the Social Democratic Party (SDP).Correspondents include Wayland Young, Robert Maclennan, Michael Young, George Weidenfeld, Shirley Williams, and Roy Jenkins, among others.Also includes paper "The Roots of the New Radicalism a Proposed Reader for the…