Dustin, Adding birth dates seems to agree with the spirit of the rule, if not the actual text. The rule (RI 22.17) allows only the addition of death dates to AACR2 headings with open birth dates. Looks like grounds for a slight revision. Davi David Saah Coop Team [log in to unmask] Ph: (202) 707-3131 Fax: (202) 252-2082d >>> [log in to unmask] 10/26/06 11:15 AM >>> If a personal name heading has only a death date, but a cataloger knows the birth date, may the heading be modified to include both dates?Thanks.Dustin P. LarmoreAssistant Professor and Technical Services LibrarianKarl E. Mundt Library and Learning CommonsDakota State University820 N. Washington Ave.Madison, S.D. 57042-1799Phone: (605) 256-5204Fax: (605) 256-5208E-mail: [log in to unmask] site: http://www.departments.dsu.edu/library/