- 1The Babbage Papers (BAB)
1821-1905, fonds - 2Drawings of the Analytical Engine (BAB/A)
1834-1849, series - 3Drawings and tracings of Difference Engine No. 2. (BAB/B)
?1847-1848, series - 4Miscellaneous tracings relating to the Analytical Engine (BAB/C)
1843-1844, 1846, series - 5Drawings of the Analytical Engine (BAB/D)
1857 June 6 - 1859 May 4, series - 6Drawings of tools (BAB/E)
1857 July 15 - 1858 April 21, series - 7Notations of the Analytical Engine (BAB/F)
1835 March 16 - 1846 October 3, series - 8Cardboard drawings of the Analytical Engine (BAB/G)
1866 October 2 - 1871 November, series - 9Notation of units of the Difference Engine No. 2. (BAB/H)
1849 June, series - 10Notations of the Analytical Engine, Second phase (BAB/I)
1857 February 4 - 1871 July 25, series - 11Draft notation of the Difference Engine No. 2 (BAB/J)
1846 - 1849 February 12, series - 12Drawings of the Difference Engine No. 1 (BAB/K)
?1831-1832, series - 13Notations of calculations for the Analytical Engine (BAB/L)
1836 - 1840 August 15, series - 14Stereotype drawings (BAB/M)
1837 May 10 - 1838 July 30, series - 15History Sheets of the Analytical Engine (BAB/N)
1834-1861, series
