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"Knots by R. D. Laing. NY: Pantheon Books, 1970. First printing. A series of logical sequences are presented as poems, leading to emotional responses that help explain the ways we have been conditioned to think. Laing's pioneering work in psychoanalysis has led him to create these famous and often humorous puzzles."^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.onekingslane.com/p/2684036-r-d-laing-s-knots>