Display constant for field 050:

[ ] [brackets]

The brackets that customarily surround call numbers for items not in LC or alternate class/call numbers are not carried in the MARC record. They may be system generated as a display constant associated with the first indicator value 1 or additional $a subfields .

Content designated field:

050 10$aHF5726$b.B27 1980

Display example:

[HF5726.B27 1980]