The papers of John Lord O'Brian, a distinguished lawyer and prominent public servant for whom the law school building is named, are housed in the Law Library Archives. Chronicling O'Brian's long and productive life from 1874 to 1973, the papers span the years of his legal career and public service activities. The papers include legal memoranda, opinion letters, personal notes, personal correspondence, published articles, photographs, honorary medals and other memorabilia. They are organized according to some of the major activities in which O'Brian was involved.