Used in an established heading or established heading and subdivision record to trace a see from reference from a named event not used in an established heading.
See field 147 for descriptions of most content designators.
447 | ##$aBreed's Hill, Battle of$c(Boston, Massachusetts :$d1775) | ||||||||
447 | ##$aPotato famine$c(Ireland :$d1845-1852) | ||||||||
447 | ##$aSubprime Mortgage Crisis$d(2008-2009) | ||||||||
447 | ##$aSylmar Earthquake$c(California :$d1971) |