35791779 agent links role

It is written:

> A user may want to associate an Agent with an Accession in any of three ways: 1) as creator, 2) as source, or 3) as subject.

> When linking an agent as either a “creator,” “source,” or “subject” of materials described in an accession record, the operator can also optionally specify the link attribute with a more precise role statement, such as “illustrator” or “photographer,” available from the MARC Code List for Relators (http://www.loc.gov/marc/relators/relaterm.html).