The structures and, if present, the covers used to hold together and protect the leaves of a bookblock and which allow them to be opened at the fore-edge.
AAT
The Arts and Architecture Thesaurus Online, The Getty Research Institute.
Additional reference:
http://vocab.getty.edu/aat/300055023 (modified)
Broader concept:
Broader partitive concept:
Top concept:
objects
Getty AAT:
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