534 Subfield $c - Publication, distribution, etc. of original:

Subfield $c contains the publication and distribution information of the original.

Examples:

534 ##$pOriginally published:$cEnglewood Cliffs, N.J. : Prentice Hall, 1974.

534 ##$pOriginal version:$cMorrisville, Pa.? : T.M. Fowler, 1886 (s.l. : A.E. Downs, lith.).