Source
This tells us (rather cryptically) where to look on the resource for the data to enter for the element:
- aswr: Any Source Within the Resource + Others (see rule)
- aswr: Any Source Within the Resource
- Any: Any sources
- epbri_any: Evidence Presented By the Resource Itself + accompanying material or container + any source
- Gazatteers: Gazatteers and other reference sources + (see rule)
- ISSN+: The ISSN register + Others (see rule)
- psoi: Preferred Source of Information + Others (see rule)
- PSOIEI+: Preferred Source of Information from Earlier Iteration + Others (see rule)
- PSOILI+: Preferred Source of Information from Later Issues or parts + Others (see rule)
- RR: Resources and References
- SSACPDoE+: Same Source as Corresponding Parallel Designation of Edtion + Others (see rule)
- SSACPDoNRoE+: Same Source as the Corresponding Parallel Designation of a Named Revision of an Edtion + Others (see rule)
- SSACPTPS+: Same Source As the Corresponding Title Proper of the Series + Others (see rule)
- SSACPTPSS+: Same Source As the Corresponding Title Proper of the SubSeries + Others (see rule)
- SSACPTPSS+: Same Source As the Corresponding Title Proper of the SubSeries + Others (see rule)
- SSACTP+: Same Source As the Corresponding Title Proper + Others (see rule)
- SSADN+: Same Source As the Distributor's Name + Others (see rule)
- SSADoE+: Same Source As Designation of Edition + Others (see rule)
- SSADoE: Same Source As Designation of Edition
- SSADoNRoE+: Same Source as the Designation of a Named Revision of an Edtion + Others (see rule)
- SSADoNRoE: Same Source as the Designation of a Named Revision of an Edtion
- ssamn: Same Source As the Manufacturer's Name + Others (see rule)
- SSAPoD+: Same Source As the Place of Distribution + Others (see rule)
- SSAPoM+: Same Source As the Place of Manufacture + Others (see rule)
- SSAPoPr+: Same Source As the Place of Production + Others (see rule)
- SSAPoPubr+: Same Source As the Place of Publication + Others (see rule)
- SSAPrN+: Same Source As the Producer's Name + Others (see rule)
- SSAPubN+: Same Source As the Publisher's Name + Others (see rule)
- ssatp: Same Source As the Title Proper + Others (see rule)
- ssatp: Same Source As the Title Proper
- SSATPS: Same Source As the Title Proper of the Series
- SSATPSS: Same Source As the Title Proper of the SubSeries
- SSATPSS: Same Source As the Title Proper of the SubSeries
- stp: Series Title Page + Others (see rule)