- [S325] Lansdell, Abbott & Nelson Genealogical Data, K.L. Watson, (1988;), Lansdell Genealogical Tree: The Families of Kent, Sussex and South London, including reference to emigrants to Canada and the USA, data compiled 1958-1970 (Reliability: 2).
- [S324] Lansdell family tree, Judith Lansdell, (March 1999;).
recorded as Les Ayres
- [S195] International Genealogical Index, The Church of Jesus Christ of Latter-Day Saints, (www.familysearch.org;), marriage of John Cruttenden & Hannah Lansdell, 18 Oct 1791, All Hallows the Great, London (extracted from registers) (Reliability: 2).