Talk given to the Education Department, Hertfordshire County Council, Watford, 21 Dec 1948. Letter of invitation only (inscription on the letter by Nicholson indicates that he agreed to do the talk). The suggested topic was 'life and education in general'.

Typescript notes.

Typescript notes (identical to those in MS. 15041/52/1233), with manuscript annotations. Small pages have been used.

Manuscript notes for a talk, so titled.

Incomplete typescript of the lecture which discussed the impact of economics and scientific research in the formation of Government policy.

Incomplete typescript draft, with manuscript revisions, and notes.

Includes manuscript notes; rough typescript draft; typescript 'summary' of the talk with manuscript corrections.

Correspondence chiefly regarding arrangements; typescript notes; background material. From the notes it is clear that this talk was different in content to those of the same title in MSS. 15041/1240-1241.

Rough manuscript notes.

Printed announcement and letter of thanks only, 2 Nov 1954.

Typescript draft with manuscript annotations.

Typescript; offprint of Devon Birds, Vol.IX, No.3, Oct 1956, containing the printed version.

Typescript draft with manuscript corrections; offprint of Bulletin of the British Ornithologists Club, Vol.77, No.3, Mar 1957, containing the printed version.

Typescript notes; brief correspondence regarding arrangements and arising. The lecture appears to have been published as part of the London Natural History Society's programme.

Typescript of Nicholson's talk.

Typescript notes (on small paper) with manuscript revisions.

Rough manuscript and typescript notes.

Two typescript drafts, one headed 'Lecture to BOU [British Ornithologists' Union]', the other 'Lecture to BOC [British Ornithologists' Club]'. They are both inscribed with the above date. First draft ('BOU'): with manuscript revisions and annotations. Second draft ('BOC'): copy of the first of the first draft, without manuscript revisions etc.