Field Definitions are Available Here
Collection
string (255)
Middle name of the individual which the contact role (producer, archiver, distributor, or data originator) applies.
Elizabeth
/Contacts/Contact/ContactPersons/ContactPerson/MiddleName
/gmi:MI_Metadata/gmd:identificationInfo/gmd:MD_DataIdentification/gmd:pointOfContact/gmd:CI_ResponsibleParty/gmd:individualName/gco:CharacterString
Access Information (ECHO)