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- oleHoldings: This section records "general" holdings information when there may not be in a specific holdings format like MARC holdings or for serials like books where there won't be one. format specific to OLE.
- sourceHoldings: This section represents "specific" holdings information in the native formatentered according to some standard external to OLE. Examples are MARC holdings, MODS holdings or any other format specific holdings.
- items: This section records information about 1 or more items.
Info For a given bibliographic record, only one of either oleHoldings or sourceHoldings can be used as the main holdings record. OLE will not support usage of both for a given record as that leads to overhead of managing data consistencies between the two sections.
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