Organization Center for Research Libraries

Public Record Office

National Archives (U.K.)

University of London

Institute of Historical Research

British Library

Yale University

Somerville College, Oxford

London Guildhall University

National Council on Archives

Royal Commission on Historical Manuscripts

Royal Historical Society

Association of Research Libraries

Chicago Historical Society

Library of Congress

Yale University

International Federation of Library Associations

Northeast Research Libraries Consortium

University of Notre Dame

Catholic Research Resources Alliance

Ohio State University

OCLC

Association for Library Collections and Technical Services

Academic Libraries of Indiana

Association for Research Libraries

Beta Phi Mu

University of Minnesota

Yale University

Indiana University

Council on Library and Information Resources

University of Pennsylvania

American Library Association

Association of College and Research Libraries (executive director | 1972-1977)

University of Illinois at Chicago (university librarian | 1977-1989)

American Library Association (president | 1985-1986)

UCLA School of Education and Information Studies (dean | 1989)

California Rare Book School (director)

Ryerson Library

Art Institute of Chicago

Georgetown University

University of Chicago