Organizations: O
Oriel Mostyn
Orient Express
Orient Paperbacks
Oriental Institute
Oriental Society of Peking
Orientalist Congress
Original Lady's Cricketers' Club
Orion
Orlando Hodgson
Orphanage of Mercy
Osborne Collection of Children's Books
Osgood, McIlvaine and Company
Osiris Players
Oswestry Operatic Society
Other Branch Readings
Other Place
Other Poetry Editions
Otis, Broaders and Co.
Ottoman Empire
Oulipo
Ouspensky Society
Out of Joint
Outback Press
Outposts Press
OutRage
Oval House
Overend, Gurney and Company
Overseas China Press
Overseas Club
Overseas Food Corporation
Ovid Press
Owenism
Owens College, University of Manchester
Oxfam
Oxford and Cambridge Club
Oxford Bach Choir
Oxford Brookes University
Oxford Camera Club
Oxford City Library
Oxford Committee for Famine Relief
Oxford Girls' High School
Oxford Group
Oxford High School for Girls
Oxford Microform Publications
Oxford Movement
Oxford Music Hall
Oxford Philosophical Library
Oxford Playhouse
Oxford Preservation Trust
Oxford Prison