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The current pattern of bibliographic control in audio-visual distributors' catalogs is described. Eight bibliographic control elements are defined, and the criteria for evaluating the occurrence of these elements in sixty-four sample catalogs are specified. When the distributors are grouped according to category, such as educational or commercial, the pattern of bibliographic control has three distinct clusters of elements. When the distributors are grouped by the number of titles handled, there is no clear pattern. The implications of these patterns are discussed in terms of practical library reference services. A solution to the problem of bibliographic control of health science audiovisual materials is proposed. 相似文献
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The themes of love, loss and magic have been enduring themes in fairytales, myths, legends and fantasy within the genre of children's literature. These stories frequently depict young protagonists who have been ‘orphaned’ in some way—for example, through death, betrayal, absence, rejection or unexplained disappearance. In many of these narratives an important feature is the power of the story to grip and hold its readers through the intervention of magic in its most sinister and beneficent form as well as the love and loyalty of friends and creatures drawn from the world of fantasy. What is seldom examined is the way in which the author's own biography of loss and love both informs and provides a major impetus to the stories they have written. This article explores the way in which the themes of love, loss and magic interconnect with two phenomenally successful contemporary children's writers. Using selected extracts from the work of Philip Pullman and Michael Morpurgo, the article suggests a dynamic synergy with the authors and their stories. 相似文献
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