John Hostage wrote: > The MARC format was not designed for linked > data. 4XX and 5XX fields were created to support access, not to provide > links between entities. Excellent point, John! (And in the bib format, there's sort of the converse: the 76X-78X fields were created to provide links [via notes and/or actual machine linkage], not to provide access [as in, access points]...) Kevin M. Randall Principal Serials Cataloger Northwestern University Library [log in to unmask] (847) 491-2939 Proudly wearing the sensible shoes since 1978!