534 Subfield $n - Note about original:

Subfield $n contains a note pertaining to the original. If more than one note is needed, subfield $n is repeated.

Examples:

534 ##$pOriginal version:$tA map of Virginia and Maryland.$c[London] : Sold by Thomas Basset in Fleetstreet and Richard Criswell in St. Pauls Church yard, [1676?].$nF. Lamb Sculp.$nAppears in John Speed's atlas: The theatre of the Empire of Great Britain.

534 ##$pOriginal version:$nPrinted by "Vincent Brooks, Day & Son, Lith. London, W.C."$nIssued in "Geographical Fun: being Humorous Outlines from Various Countries, by Aleph. London, 1869."