Publications

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Parkinsonism

PARKINSONISM, described in its entirety over one hundred and fifty years ago,' rarely presents itself as a diagnostic problem.In consequence, little scrutiny has been directed t...

1967 Neurology 11783 citations

The Evolution of Reciprocal Altruism

A model is presented to account for the natural selection of what is termed reciprocally altruistic behavior. The model shows how selection can operate against the cheater (non-...

1971 The Quarterly Review of Biology 10842 citations

Speech Acts

Written in an outstandingly clear and lively style, this 1969 book provokes its readers to rethink issues they may have regarded as long since settled.

1969 Cambridge University Press eBooks 10806 citations