Personal correspondence, 1933, 1936, 1948-1995, n.d., chiefly covering WWFS business and other conservation matters; brief correspondence regarding matters following Lockley's death in 2000.

Personal correspondence, 1933, 1936, 1948-1995, nd, chiefly covering WWFS business and other conservation matters; brief correspondence regarding matters following Lockley's death in 2000. (Folder 2 of 2)

Personal correspondence, some covering ornithological matters.

Correspondence regarding Nicholson's acceptance of invitations to give talks and general personal matters.

Personal correspondence, 1951-1963, including some regarding ornithology; brief correspondence etc relating to Nicholson's assistance with biography and other writings concerning Meinertzhagen.

Correspondence with Mellanby's wife regarding the memorial service for Mellanby, with typescript of short address delivered by Nicholson.