Draft of a speech for the Association for the Study of Animal Behaviour symposium in Cambridge. 3pp typescript.

24pp typescript of paper delivered at 'Princeton conference'. Undated, but latest bibliographical reference is 1956.

11pp typescript of a lecture/speech delivered in Paris. The folder also contains a French language version.

33pp typescript with MS. inscription 'Contribution to an inter-disciplinary conference on "sex and behaviour" held in Berkeley in 1961 and 1962. Written for psychologists, anthropologists and physiologists rather than for zoologists'.

A 3pp typescript for Robert Hinde's discussion group, Cambridge, 12 November 1962.

After-dinner speech at an Ethological Conference. 2pp typescript.

2pp typescript draft of a talk for the John Ray Society.

Invitation and correspondence. Tinbergen was invited to deliver a celebration lecture on the occasion of '25 Jahre Experientia', Basel.

25pp photocopied typescript; 20pp typescript entitled 'Oekologische Verhaltensforschung'.

Tinbergen delivered the Croonian Lecture of the Royal Society in 1972.

'The social cat', lecture to visiting teachers, [Oxford] July 1973. 1p typescript. 'Talk Waddenbijeenkomst 2 Maart 1974 Een bioloog over welvaart en welzijn'. 4pp typescript.

A symposium held in Kronberg, Germany, 16-17 May 1974. First session: 'The Analysis of Scientific Method and the Logic of Scientific Discovery', chaired by Sir Karl Popper. Second session: 'Patterns of Creativity in Animal and Human behaviour', chaired by Dr. Desmond Morris.

Proceedings of the C.H. Boehringer Sohn Symposium held in Kronberg, Germany, 16-17 May 1974. First session: 'The Analysis of Scientific Method and the Logic of Scientific Discovery', chaired by Sir Karl Popper. Second session: 'Patterns of Creativity in Animal and Human behaviour', chaired by Dr. Desmond Morris.

Brief correspondence regarding arrangements; 2 drafts of a memorandum Tinbergen was asked to write with reference to the programme as a whole; draft of a memorandum by Tinbergen referring to the session on 'The social and cultural environment'; ms. notes on the proceedings.

Two 6pp typescript drafts; 2pp typescript abstract.

2pp typescript, heavily annotated.

Correspondence regarding arrangements; programme; 8pp typescript draft.

'Man - Guinea Pig of Evolution', 3pp typescript 'final draft'. 'New field work', 3pp typescript + 1p ms.

A seminar for a developmental group in psychology; 4pp typescript.

'Aggression and appeasement in animals'; 2pp and 3pp typescripts, 1p ms. 'Aggression in animals'; 2pp typescript.