Bedfordshire Libraries: Societies and Organisation
http://www.galaxy.bedfordshire.gov.uk/webingres/bedfordshire/vlib/0.digitised_resources/bedford_news
Contains a small number of background articles from local newspapers.
Media Guardian: Second Coming
Article reviewing the Channel 4 documentary "Maidens of the Lost Ark".
Metafilter: And Finally, it's Joanna Southcot
Brief details on the society and its relationship to Joanna Southcott's box of prophesies.
The Art Newspaper: Delayed Last Judgement Results
Details on the society's auctioning of items for the benefit of local charities.