The Katharine Byrd Breyer vs. Richard E. Byrd III Lawsuit Papers consist of correspondence, clippings, financial records, and other legal documents regarding the lawsuit brought by Admiral Richard E. Byrd, Jr.'s daughter Katharine Byrd Breyer against her brother, Richard E. Byrd III (Dickie). The lawsuit involved the estate of Marie A. Byrd, their mother. Materials date from 1953-1989.