osisNames

<xs:simpleType name="osisNames">
  <xs:restriction base="xs:string">
    <xs:enumeration value="geographic"/>
    <xs:enumeration value="holiday"/>
    <xs:enumeration value="nonhuman"/>
    <xs:enumeration value="person"/>
    <xs:enumeration value="ritual"/>
  </xs:restriction>
</xs:simpleType>