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Printed items often contain manuscript markings. Routinely, these are noted in the 561 of the holdings record and, if applicable, the name of the annotator traced in the bibliographic record in an added entry with the appropriate relator term or terms (though terms more than one term can be used, a single, comprehensive term like "former owner" is preferred). (See RBMS's list of terms and MARC guidelines and terms for vocabulary and usage.) However, on occasion, an item will often be found to contain significant manuscript additions or insertions. Treat these as noted below.
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