Correspondence B 1964-1968 General correspondence regarding Comfort's research in to ageing - largely relating to invitations to speak and events, or contribute to publications, as well as his own publications. A number of letters are from members of the public. Also includes a letter from C N Armstrong regarding his book 'Intersexuality in Vertebrates', and correspondence regarding a conference held by the Eugenics Society at which Comfort spoke. 1964-1968