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As a result of examination of numerous collections of glass beads in northeastern North America and elsewhere, and as a result of a study of the procedures used in their manufacture, the authors propose a classification and nomenclature which they hope will permit exact descriptions and a reference base for all beads found in archaeological excavations. New bead types may be added to the system which is expansible to accommodate all possible variations.
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Kidd et al. (2012) studied this question.
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