Babbage Science Museum, London. Description of Babbage's calculating machine projects and the Science Museum's study of Babbage's works, including modern reconstruction and model-building projects
The Babbage Engine: Computer History Museum, Mountain View CA, USA. Multi-page account of Babbage, his engines and his associates, including a video of the Museum's functioning replica of the Difference Engine No 2 in action
Charles Babbage A history at the School of Mathematics and Statistics,University of St Andrews Scotland.
Charles Babbage Institute: pages on "Who Was Charles Babbage?" including biographical note, description of Difference Engine No. 2, publications by Babbage, archival and published sources on Babbage, sources on Babbage and Ada Lovelace