Organizations: A

Arab League

Arab Women Solidarity Association

Arachne Club

Aravon School

Arbutus Private Hospital

Arc

Arcadia Books

Arcadia House

Arcadia Theatre

Archaeological Institute of Great Britain and Ireland

Archbishops' Commission on Women and the Ministry

Archibald Bell

Architectural Survey of India

Archival Survival, Inc.

Archive Editions

Archives for Action

Archives Nationales

Arcola Theatre

Arden Press

Arents Collection

Argo

Argosy and Sundial Libraries

Argus Press

Argyll and Bute Council

Argyll County Council

Argyll General Mourning and Mantle House

Ariel Press

Aristotelian Society

Arizona Center for Medieval and Renaissance Studies

Arizona State University

Arlen House

Armada Productions

Armenian Relief Fund

Arminian Church

Armstrong Browning Library at Baylor University

Army and Navy Stores

Army Clothing Establishment

Army Medical Department

Army Nursing Service

Army of Northern Virginia

Army Prayer Union and Scripture Readers Society

Army Sanitary Commission

Arno Press

Arnold House School, Wales

Arrow Books

Arrowsmith

Art Gallery of Ontario

Art Gallery of Victoria

Art Meets Matter

Art Workers' Guild