International Association for Dental Research (IADR) and American Association for Dental Research (AADR) files include correspondence, reports, newsletters, meeting records, publications and conference material, and other material related to the activities of the professional organizations IADR and AADR and Greenspan’s service on various AADR/IADR committees, boards, and working groups and his terms as President of AADR and President of IADR.