Overview:  Verbs
•Find out about the repository
–?verb=Identify
–?verb=ListSets
–?verb=ListMetadataFormats&identifier=iii
•Harvest records
–?verb=ListIdentifiers&metadataPrefix=mmm
&from=yyyy-mm-dd&until=yyyy-mm-dd&set=sss
–?verb=ListRecords&metadataPrefix=mmm
 &from=yyyy-mm-dd&until=yyyy-mm-dd&set=sss
–?verb=GetRecord&metadataPrefix=mmm&identifier=iii
Examples from the Library of Congress OAI Data Provider