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Wellisch, H.H.: Indexing from A to Z (1995)
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Kleinberg, I.: For want of an alphabetical index : some notes toward a history of the back-of-the-book index in nineteenth century America (1997)
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Farrow, J.: All in the mind : concept analysis in indexing (1995)
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Z39.4-199X: Indexes and related information retrieval devices (1993)
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Lathrop, L.: Indexing after the millenium 2 : existing skills influence future development (1998)
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