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Williams, R.D.: MARC: thirty years and still going ... (1995)
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Beghtol, C.: From the universe of knowledge to the universe of concepts : the structural revolution in classification for information retrieval (2008)
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Kester, D.D.; Jones, P.A.: Frances Henne and the development of school library standards (2004)
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Beghtol, C.: Exploring new approaches to the organization of knowledge : the subject classification of James Duff Brown (2004)
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Smiraglia, R.P.; Cai, X.: Tracking the evolution of clustering, machine learning, automatic indexing and automatic classification in knowledge organization (2017)
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