BOOK REVIEWS von R.W., PICKFORD

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Picture projection material for child psychotherapy von Pickford, R.W.

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A simple anomaloscope for measuring variations of colour vision and colour blindness von Pickford, R.W.

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Variability and consistency in the manifestation of red-green colour vision defects von Pickford, R.W.

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Psychological Problems of Sex and Marriage von Pickford, R.W.

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Security, Property and Possessiveness von Pickford, R.W.

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Variability and consistency in the manifestation of red-green colour vision defects von Pickford, R W

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Compound hemizygotes for red-green colour vision defects von Pickford, R.W.

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A pedigree suggesting the inheritance of yellow-blue anomaly von Pickford, R.W.

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Children's Play von Bowyer, Ruth, Pickford, R.W.

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A pedigree showing variability in deuteranomaly von Pickford, R.W.

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