Getting back to John’s first question. What utility is being served with the extra 510s Adam added to his last two examples? My adaptation of the fields in question decorated with fake designators: 110 2 University of Washington. ǂb Department of Endodontics 510 2 ǂw r ǂi Later merges with: ǂa University of Washington. ǂb Department of Periodontics 510 2 ǂw r ǂi Predecessor of split: ǂa University of Washington. ǂb Department of Periodontics and Endodontics 110 2 University of Washington. ǂb Department of Periodontics 510 2 ǂw r ǂi Later merges with: ǂa University of Washington. ǂb Department of Endodontics 510 2 ǂw r ǂi Predecessor of split: ǂa University of Washington. ǂb Department of Periodontics and Endodontics — Mark K. Ehlert University of St. Thomas On Sep 15, 2020, at 4:00 PM, Hostage, John <[log in to unmask]<mailto:[log in to unmask]>> wrote: Unlike with serials, we have never formally recorded relationships between two bodies that merged (nor two bodies that resulted from a split). Is there any reason to start now? ------------------------------------------ John Hostage Senior Continuing Resources Cataloger Harvard Library--Information and Technical Services Langdell Hall 194 Harvard Law School Library Cambridge, MA 02138 [log in to unmask]<mailto:[log in to unmask]> +(1)(617) 495-3974 (voice) +(1)(617) 496-4409 (fax) ISNI 0000 0000 4028 0917 From: Program for Cooperative Cataloging [mailto:[log in to unmask]] On Behalf Of Adam L Schiff Sent: Tuesday, September 15, 2020 16:53 To: [log in to unmask]<mailto:[log in to unmask]> Subject: Re: [PCCLIST] CB merges Bob, Here's a real life example that I have been working on: the University of Washington Department of Laboratory Medicine and the Department of Pathology merged on July 1, 2020 to form the Department of Laboratory Medicine and Pathology. 110 2 University of Washington. ǂb Department of Laboratory Medicine 510 2 ǂw r ǂi Mergee: ǂa University of Washington. ǂb Department of Pathology 510 2 ǂw r ǂi Product of merger: ǂa University of Washington. ǂb Department of Laboratory Medicine and Pathology 110 2 University of Washington. ǂb Department of Pathology 510 2 ǂw r ǂi Mergee: ǂa University of Washington. ǂb Department of Laboratory Medicine 510 2 ǂw r ǂi Product of merger: ǂa University of Washington. ǂb Department of Laboratory Medicine and Pathology 110 2 University of Washington. ǂb Department of Laboratory Medicine and Pathology 510 2 ǂw r ǂi Component of merger: ǂa University of Washington. ǂb Department of Laboratory Medicine 510 2 ǂw r ǂi Component of merger: ǂa University of Washington. ǂb Department of Pathology Splits also present complications and, interestingly, there is no relationship designator to relate the two resulting bodies to each other. There are only designators to relate the earlier name to each of the resulting names and the resulting name to the two earlier names: The University of Washington Department of Periodontics and Endodontics split into the Department of Endodontics and the Department of Periodontics: 110 2 University of Washington. ǂb Department of Periodontics and Endodontics 510 2 ǂw r ǂi Product of split: ǂa University of Washington. ǂb Department of Endodontics 510 2 ǂw r ǂi Product of split: ǂa University of Washington. ǂb Department of Periodontics 110 2 University of Washington. ǂb Department of Endodontics 510 2 University of Washington. ǂb Department of Periodontics 510 2 ǂw r ǂi Predecessor of split: ǂa University of Washington. ǂb Department of Periodontics and Endodontics 110 2 University of Washington. ǂb Department of Periodontics 510 2 University of Washington. ǂb Department of Endodontics 510 2 ǂw r ǂi Predecessor of split: ǂa University of Washington. ǂb Department of Periodontics and Endodontics --Adam Adam Schiff University of Washington Libraries