535 Subfield $b - Postal address:

Subfield $b contains the postal address.

Example:

535 2#$3Harrison papers$aNeils Bohr Library, Center for History of Physics, American Institute of Physics;$b335 East 45th Street, New York, NY 10017

535 2#$3Harrison papers$aWestern Reserve Historical Society;$b10825 East Blvd., Cleveland, OH 44106

[Repeated field 535 for multiple repositories]