...

https://api.lib.harvard.edu/oai/?verb=ListSets (works; but is this all of them?)

ListRecords

ListRecords requests the OAI data provider to return full metadata records for a given LibraryCloud Collection. Results can be returns as MODS or DC.
https://api.lib.harvard.edu/oai/?verb=ListRecords&metadataPrefix=mods&set=CNAREVIEW (no matching records)

ListIdentifiers

ListIdentifiers requests the OAI data provider to return the identifiers records for a given LibraryCloud Collection.

https://api.lib.harvard.edu/oai/?verb=ListIdentifiers&metadataPrefix=mods&set=CNAREVIEW (no matching records)

Identify

xxxThis verb is used to retrieve information about a repository. 

https://api.lib.harvard.edu/oai/?verb=Identify (works)

GetRecord

xxxThis verb is used to retrieve an individual metadata record from a repository. Required arguments specify the identifier of the item from which the record is requested and the format of the metadata that should be included in the record.

https://api.lib.harvard.edu/oai/verb=GetRecord&metadataPrefix=oai_dc&identifier=oai:vc.harvard.edu:scarlet.000796856 (doesn't work)

https://api.lib.harvard.edu/oai/verb=GetRecord&metadataPrefix=oai_dc&identifier=oai:vc.harvard.edu:scarlet.990007968560203941 (alma vers doesn't work either)

ListMetadataFormats

xxx

This verb is used to retrieve the metadata formats available from a repository. An optional argument restricts the request to the formats available for a specific item.

https://api.lib.harvard.edu/oai/?verb=ListMetadataFormats (works)

https://api.lib.harvard.edu/oai/?verb=ListMetadataFormats&identifier=oai:vc.harvard.edu:scarlet.990007968560203941 (why doesn't this work?)