- [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).
- [S325] Lansdell, Abbott & Nelson Genealogical Data, K.L. Watson, (1988;).
- [S195] International Genealogical Index, The Church of Jesus Christ of Latter-Day Saints, (www.familysearch.org;), marriage of William Lansdell and Martha Larkin (extracted) (Reliability: 1).
- [S229] Information from Barbara Feltwell, 19 April 2004 (Reliability: 2).
"Do you have anything on William Lansdell who married Martha Larkin Elizabeth's sister? I thought he might be a brother of James. They married 18 April 1825 in Aylesford."