Incomplete manuscript draft (untitled); various pages of manuscript notes, mostly by Nicholson, relating to the 1928 census and earlier ideas on bird censuses. Included are notes on a fragment of a letter from The Spectator regarding the US Bird Census. This fragment was found in an envelope inscribed in Nicholson's hand as follows: 'A MS on a Spectator receipt [sic] probably the earliest note on US Bird Census leading to EMN's Census development in…

Letters to Nicholson from H.F. Witherby regarding publication, 1929; various newspaper cuttings concerning the Census and the published Report (including printed letter to Country Life by Nicholson).

Typescript by Nicholson titled 'Editorial Notes on David Lack's 'The Stability of the Heron Population', ?1934; 2pp typescript notes headed 'Summary of Heron & Grebe Censuses', 1931 or later.

This article by Nicholson appertains to a census of heronries carried out in 1954. 2 typescript drafts (2pp and 3pp) with manuscript revisions; letters from the British Trust for Ornithology regarding a meeting on heron studies (Jan 1955) at which Nicholson (as Chair) was to give an introductory speech.

Incomplete 16pp typescript draft, with manuscript revisions, titled 'Museums, Static & Dynamic'. A typescript list of Nicholson's articles on 'Public Affairs' (photocopy of relevant page included) gives the title of this article as 'Dynamic Museums'.

Manuscript draft of an article so headed 'Oxford letter 1929', apparently about town development with particular reference to Oxford.