This photo of the UVF (Ulster Volunteer Force) was taken at their headquarters in the City Hall, Belfast, 1913. Photo courtesy of Ulster Museum Photographic Collections, Belfast. (Photograph reproduced with the kind permission of the trustees of the National Museums and Galleries of Northern Ireland)

• Home Rule In Ireland - BBC
• The Ulster Covenant - PRONI
• The Ulster Covenant - BBC
• National Museums Northern Ireland
• Edward Carson - BBC History