Nuptial Display
1978     "A celebration of the mating displays of many species of bird, such as the English Crested Grebe or the exotic Lyre Birds of New Guinea..."
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The Seed
1972     "The overall spherical shape, which was first formed in clay on a revolving template, is pierced in various directions and at different angles, to give the maximum of changing effects of light and shade with the movments of the sun..."
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