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Much of the time, cataloging modern imprints will entail copy cataloging, or adding holdings to existing Harvard records; less frequently, the cataloger will need to create original or derived records. The standard to which these records should be edited, upgraded, or created will vary depending on the nature and context of the project, the rarity of the individual item, and the curator's instructions. Cataloging to DCRM(B) or RDA or AACR2 standards may be most appropriate for one item, while the expediency of adding a holdings record without editing may be correct for another. This principle applies to many of the decision points encountered in cataloging modern books: there is no universal right answer, so much as there is a series of informed decisions.
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