544 Subfield $a - Custodian:

Subfield $a contains the name of the custodian of the material. Although the subfield is repeatable, it is recommended that a separate 544 field be created for each occurrence of subfield $a.

Example:

544 0#$dBurt Barnes papers;$eAlso located at;$aArchives of American Art, Smithsonian Institution.

544 0#$dBurt Barnes papers;$eAlso located at;$aState Historical Society of Wisconsin.