- [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).
- [S195] International Genealogical Index, The Church of Jesus Christ of Latter-Day Saints, (www.familysearch.org;), baptism of Alfred Richard Lansdell, of Edward Lansdell and Sarah (extracted) (Reliability: 3).
- [S324] Lansdell family tree, Judith Lansdell, (March 1999;).
recorded as Les Ayres
- [S304] Parish Registers - Vol 3, Incorporating the Mary Wigan Transcripts, The Kent Family History Society, (KFHS CD-ROM 12, including Benenden (C 1558-1906, M 1578-1836, B 1558-1906), Cranbrook (C 1559-1812, M 1559-1837, B 1559-1812) and Rolvenden (C 1558-1840, M 1558-1840, B 1558-1840);), marriage of Edward Lansdell, otp, and Sarah Smith, otp, by licence (Reliability: 2).